121891250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{577}}^1$

素因数の和:625

約数の個数: 60

約数和(自身を含む): 247828482

約数和(自身を除く): 125937232

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 577, 625, 650, 845, 1154, 1250, 1625, 1690, 2885, 3250, 4225, 5770, 7501, 8125, 8450, 14425, 15002, 16250, 21125, 28850, 37505, 42250, 72125, 75010, 97513, 105625, 144250, 187525, 195026, 211250, 360625, 375050, 487565, 721250, 937625, 975130, 1875250, 2437825, 4688125, 4875650, 9376250, 12189125, 24378250, 60945625, 121891250]

約数ペア:

[(1, 121891250), (2, 60945625), (5, 24378250), (10, 12189125), (13, 9376250), (25, 4875650), (26, 4688125), (50, 2437825), (65, 1875250), (125, 975130), (130, 937625), (169, 721250), (250, 487565), (325, 375050), (338, 360625), (577, 211250), (625, 195026), (650, 187525), (845, 144250), (1154, 105625), (1250, 97513), (1625, 75010), (1690, 72125), (2885, 42250), (3250, 37505), (4225, 28850), (5770, 21125), (7501, 16250), (8125, 15002), (8450, 14425)]