85649980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 203664384

約数和(自身を除く): 118014404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 47, 52, 65, 86, 94, 130, 163, 172, 188, 215, 235, 260, 326, 430, 470, 559, 611, 652, 815, 860, 940, 1118, 1222, 1630, 2021, 2119, 2236, 2444, 2795, 3055, 3260, 4042, 4238, 5590, 6110, 7009, 7661, 8084, 8476, 10105, 10595, 11180, 12220, 14018, 15322, 20210, 21190, 26273, 28036, 30644, 35045, 38305, 40420, 42380, 52546, 70090, 76610, 91117, 99593, 105092, 131365, 140180, 153220, 182234, 199186, 262730, 329423, 364468, 398372, 455585, 497965, 525460, 658846, 911170, 995930, 1317692, 1647115, 1822340, 1991860, 3294230, 4282499, 6588460, 8564998, 17129996, 21412495, 42824990, 85649980]

約数ペア:

[(1, 85649980), (2, 42824990), (4, 21412495), (5, 17129996), (10, 8564998), (13, 6588460), (20, 4282499), (26, 3294230), (43, 1991860), (47, 1822340), (52, 1647115), (65, 1317692), (86, 995930), (94, 911170), (130, 658846), (163, 525460), (172, 497965), (188, 455585), (215, 398372), (235, 364468), (260, 329423), (326, 262730), (430, 199186), (470, 182234), (559, 153220), (611, 140180), (652, 131365), (815, 105092), (860, 99593), (940, 91117), (1118, 76610), (1222, 70090), (1630, 52546), (2021, 42380), (2119, 40420), (2236, 38305), (2444, 35045), (2795, 30644), (3055, 28036), (3260, 26273), (4042, 21190), (4238, 20210), (5590, 15322), (6110, 14018), (7009, 12220), (7661, 11180), (8084, 10595), (8476, 10105)]