28746250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 61011720

約数和(自身を除く): 32265470

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 61, 65, 122, 125, 130, 145, 250, 290, 305, 325, 377, 610, 625, 650, 725, 754, 793, 1250, 1450, 1525, 1586, 1625, 1769, 1885, 3050, 3250, 3538, 3625, 3770, 3965, 7250, 7625, 7930, 8125, 8845, 9425, 15250, 16250, 17690, 18125, 18850, 19825, 22997, 36250, 38125, 39650, 44225, 45994, 47125, 76250, 88450, 94250, 99125, 114985, 198250, 221125, 229970, 235625, 442250, 471250, 495625, 574925, 991250, 1105625, 1149850, 2211250, 2874625, 5749250, 14373125, 28746250]

約数ペア:

[(1, 28746250), (2, 14373125), (5, 5749250), (10, 2874625), (13, 2211250), (25, 1149850), (26, 1105625), (29, 991250), (50, 574925), (58, 495625), (61, 471250), (65, 442250), (122, 235625), (125, 229970), (130, 221125), (145, 198250), (250, 114985), (290, 99125), (305, 94250), (325, 88450), (377, 76250), (610, 47125), (625, 45994), (650, 44225), (725, 39650), (754, 38125), (793, 36250), (1250, 22997), (1450, 19825), (1525, 18850), (1586, 18125), (1625, 17690), (1769, 16250), (1885, 15250), (3050, 9425), (3250, 8845), (3538, 8125), (3625, 7930), (3770, 7625), (3965, 7250)]