25575550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 65902032

約数和(自身を除く): 40326482

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 35, 49, 50, 55, 65, 70, 73, 77, 91, 98, 110, 130, 143, 146, 154, 175, 182, 245, 275, 286, 325, 350, 365, 385, 455, 490, 511, 539, 550, 637, 650, 715, 730, 770, 803, 910, 949, 1001, 1022, 1078, 1225, 1274, 1430, 1606, 1825, 1898, 1925, 2002, 2275, 2450, 2555, 2695, 3185, 3575, 3577, 3650, 3850, 4015, 4550, 4745, 5005, 5110, 5390, 5621, 6370, 6643, 7007, 7150, 7154, 8030, 9490, 10010, 10439, 11242, 12775, 13286, 13475, 14014, 15925, 17885, 20075, 20878, 23725, 25025, 25550, 26950, 28105, 31850, 33215, 35035, 35770, 39347, 40150, 46501, 47450, 50050, 52195, 56210, 66430, 70070, 73073, 78694, 89425, 93002, 104390, 140525, 146146, 166075, 175175, 178850, 196735, 232505, 260975, 281050, 332150, 350350, 365365, 393470, 465010, 511511, 521950, 730730, 983675, 1023022, 1162525, 1826825, 1967350, 2325050, 2557555, 3653650, 5115110, 12787775, 25575550]

約数ペア:

[(1, 25575550), (2, 12787775), (5, 5115110), (7, 3653650), (10, 2557555), (11, 2325050), (13, 1967350), (14, 1826825), (22, 1162525), (25, 1023022), (26, 983675), (35, 730730), (49, 521950), (50, 511511), (55, 465010), (65, 393470), (70, 365365), (73, 350350), (77, 332150), (91, 281050), (98, 260975), (110, 232505), (130, 196735), (143, 178850), (146, 175175), (154, 166075), (175, 146146), (182, 140525), (245, 104390), (275, 93002), (286, 89425), (325, 78694), (350, 73073), (365, 70070), (385, 66430), (455, 56210), (490, 52195), (511, 50050), (539, 47450), (550, 46501), (637, 40150), (650, 39347), (715, 35770), (730, 35035), (770, 33215), (803, 31850), (910, 28105), (949, 26950), (1001, 25550), (1022, 25025), (1078, 23725), (1225, 20878), (1274, 20075), (1430, 17885), (1606, 15925), (1825, 14014), (1898, 13475), (1925, 13286), (2002, 12775), (2275, 11242), (2450, 10439), (2555, 10010), (2695, 9490), (3185, 8030), (3575, 7154), (3577, 7150), (3650, 7007), (3850, 6643), (4015, 6370), (4550, 5621), (4745, 5390), (5005, 5110)]