8363997980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{20399}}^1$

素因数の和:20523

約数の個数: 96

約数和(自身を含む): 20151936000

約数和(自身を除く): 11787938020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 83, 95, 130, 166, 190, 247, 260, 332, 380, 415, 494, 830, 988, 1079, 1235, 1577, 1660, 2158, 2470, 3154, 4316, 4940, 5395, 6308, 7885, 10790, 15770, 20399, 20501, 21580, 31540, 40798, 41002, 81596, 82004, 101995, 102505, 203990, 205010, 265187, 387581, 407980, 410020, 530374, 775162, 1060748, 1325935, 1550324, 1693117, 1937905, 2651870, 3386234, 3875810, 5038553, 5303740, 6772468, 7751620, 8465585, 10077106, 16931170, 20154212, 22010521, 25192765, 32169223, 33862340, 44021042, 50385530, 64338446, 88042084, 100771060, 110052605, 128676892, 160846115, 220105210, 321692230, 418199899, 440210420, 643384460, 836399798, 1672799596, 2090999495, 4181998990, 8363997980]

約数ペア:

[(1, 8363997980), (2, 4181998990), (4, 2090999495), (5, 1672799596), (10, 836399798), (13, 643384460), (19, 440210420), (20, 418199899), (26, 321692230), (38, 220105210), (52, 160846115), (65, 128676892), (76, 110052605), (83, 100771060), (95, 88042084), (130, 64338446), (166, 50385530), (190, 44021042), (247, 33862340), (260, 32169223), (332, 25192765), (380, 22010521), (415, 20154212), (494, 16931170), (830, 10077106), (988, 8465585), (1079, 7751620), (1235, 6772468), (1577, 5303740), (1660, 5038553), (2158, 3875810), (2470, 3386234), (3154, 2651870), (4316, 1937905), (4940, 1693117), (5395, 1550324), (6308, 1325935), (7885, 1060748), (10790, 775162), (15770, 530374), (20399, 410020), (20501, 407980), (21580, 387581), (31540, 265187), (40798, 205010), (41002, 203990), (81596, 102505), (82004, 101995)]