1239891250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1937

約数の個数: 80

約数和(自身を含む): 2565247608

約数和(自身を除く): 1325356358

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 125, 130, 205, 250, 325, 410, 533, 625, 650, 1025, 1066, 1250, 1625, 1861, 2050, 2665, 3250, 3722, 5125, 5330, 8125, 9305, 10250, 13325, 16250, 18610, 24193, 25625, 26650, 46525, 48386, 51250, 66625, 76301, 93050, 120965, 133250, 152602, 232625, 241930, 333125, 381505, 465250, 604825, 666250, 763010, 991913, 1163125, 1209650, 1907525, 1983826, 2326250, 3024125, 3815050, 4959565, 6048250, 9537625, 9919130, 15120625, 19075250, 24797825, 30241250, 47688125, 49595650, 95376250, 123989125, 247978250, 619945625, 1239891250]

約数ペア:

[(1, 1239891250), (2, 619945625), (5, 247978250), (10, 123989125), (13, 95376250), (25, 49595650), (26, 47688125), (41, 30241250), (50, 24797825), (65, 19075250), (82, 15120625), (125, 9919130), (130, 9537625), (205, 6048250), (250, 4959565), (325, 3815050), (410, 3024125), (533, 2326250), (625, 1983826), (650, 1907525), (1025, 1209650), (1066, 1163125), (1250, 991913), (1625, 763010), (1861, 666250), (2050, 604825), (2665, 465250), (3250, 381505), (3722, 333125), (5125, 241930), (5330, 232625), (8125, 152602), (9305, 133250), (10250, 120965), (13325, 93050), (16250, 76301), (18610, 66625), (24193, 51250), (25625, 48386), (26650, 46525)]