26359130140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1\times {\mathrm{929}}^1$

素因数の和:1855

約数の個数: 96

約数和(自身を含む): 63614678400

約数和(自身を除く): 37255548260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 521, 778, 929, 1042, 1556, 1858, 1945, 2084, 2605, 2723, 3647, 3716, 3890, 4645, 5210, 5446, 6503, 7294, 7780, 9290, 10420, 10892, 13006, 13615, 14588, 18235, 18580, 26012, 27230, 32515, 36470, 54460, 65030, 72940, 130060, 202669, 361381, 405338, 484009, 722762, 810676, 968018, 1013345, 1418683, 1445524, 1806905, 1936036, 2026690, 2420045, 2529667, 2837366, 3388063, 3613810, 4053380, 4840090, 5059334, 5674732, 6776126, 7093415, 7227620, 9680180, 10118668, 12648335, 13552252, 14186830, 16940315, 25296670, 28373660, 33880630, 50593340, 67761260, 188279501, 376559002, 753118004, 941397505, 1317956507, 1882795010, 2635913014, 3765590020, 5271826028, 6589782535, 13179565070, 26359130140]

約数ペア:

[(1, 26359130140), (2, 13179565070), (4, 6589782535), (5, 5271826028), (7, 3765590020), (10, 2635913014), (14, 1882795010), (20, 1317956507), (28, 941397505), (35, 753118004), (70, 376559002), (140, 188279501), (389, 67761260), (521, 50593340), (778, 33880630), (929, 28373660), (1042, 25296670), (1556, 16940315), (1858, 14186830), (1945, 13552252), (2084, 12648335), (2605, 10118668), (2723, 9680180), (3647, 7227620), (3716, 7093415), (3890, 6776126), (4645, 5674732), (5210, 5059334), (5446, 4840090), (6503, 4053380), (7294, 3613810), (7780, 3388063), (9290, 2837366), (10420, 2529667), (10892, 2420045), (13006, 2026690), (13615, 1936036), (14588, 1806905), (18235, 1445524), (18580, 1418683), (26012, 1013345), (27230, 968018), (32515, 810676), (36470, 722762), (54460, 484009), (65030, 405338), (72940, 361381), (130060, 202669)]