25717900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 61148864

約数和(自身を除く): 35430964

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 146, 260, 271, 292, 325, 365, 542, 650, 730, 949, 1084, 1300, 1355, 1460, 1825, 1898, 2710, 3523, 3650, 3796, 4745, 5420, 6775, 7046, 7300, 9490, 13550, 14092, 17615, 18980, 19783, 23725, 27100, 35230, 39566, 47450, 70460, 79132, 88075, 94900, 98915, 176150, 197830, 257179, 352300, 395660, 494575, 514358, 989150, 1028716, 1285895, 1978300, 2571790, 5143580, 6429475, 12858950, 25717900]

約数ペア:

[(1, 25717900), (2, 12858950), (4, 6429475), (5, 5143580), (10, 2571790), (13, 1978300), (20, 1285895), (25, 1028716), (26, 989150), (50, 514358), (52, 494575), (65, 395660), (73, 352300), (100, 257179), (130, 197830), (146, 176150), (260, 98915), (271, 94900), (292, 88075), (325, 79132), (365, 70460), (542, 47450), (650, 39566), (730, 35230), (949, 27100), (1084, 23725), (1300, 19783), (1355, 18980), (1460, 17615), (1825, 14092), (1898, 13550), (2710, 9490), (3523, 7300), (3650, 7046), (3796, 6775), (4745, 5420)]