65243750

素因数分解:

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

素因数の和:124

約数の個数: 96

約数和(自身を含む): 145678176

約数和(自身を除く): 80434426

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 73, 110, 125, 130, 143, 146, 250, 275, 286, 325, 365, 550, 625, 650, 715, 730, 803, 949, 1250, 1375, 1430, 1606, 1625, 1825, 1898, 2750, 3125, 3250, 3575, 3650, 4015, 4745, 6250, 6875, 7150, 8030, 8125, 9125, 9490, 10439, 13750, 16250, 17875, 18250, 20075, 20878, 23725, 34375, 35750, 40150, 40625, 45625, 47450, 52195, 68750, 81250, 89375, 91250, 100375, 104390, 118625, 178750, 200750, 228125, 237250, 260975, 446875, 456250, 501875, 521950, 593125, 893750, 1003750, 1186250, 1304875, 2509375, 2609750, 2965625, 5018750, 5931250, 6524375, 13048750, 32621875, 65243750]

約数ペア:

[(1, 65243750), (2, 32621875), (5, 13048750), (10, 6524375), (11, 5931250), (13, 5018750), (22, 2965625), (25, 2609750), (26, 2509375), (50, 1304875), (55, 1186250), (65, 1003750), (73, 893750), (110, 593125), (125, 521950), (130, 501875), (143, 456250), (146, 446875), (250, 260975), (275, 237250), (286, 228125), (325, 200750), (365, 178750), (550, 118625), (625, 104390), (650, 100375), (715, 91250), (730, 89375), (803, 81250), (949, 68750), (1250, 52195), (1375, 47450), (1430, 45625), (1606, 40625), (1625, 40150), (1825, 35750), (1898, 34375), (2750, 23725), (3125, 20878), (3250, 20075), (3575, 18250), (3650, 17875), (4015, 16250), (4745, 13750), (6250, 10439), (6875, 9490), (7150, 9125), (8030, 8125)]