804950120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{2711}}^1$

素因数の和:3306

約数の個数: 64

約数和(自身を含む): 1954592640

約数和(自身を除く): 1149642520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 571, 1142, 2284, 2711, 2855, 4568, 5422, 5710, 7423, 10844, 11420, 13555, 14846, 21688, 22840, 27110, 29692, 35243, 37115, 54220, 59384, 70486, 74230, 108440, 140972, 148460, 176215, 281944, 296920, 352430, 704860, 1409720, 1547981, 3095962, 6191924, 7739905, 12383848, 15479810, 20123753, 30959620, 40247506, 61919240, 80495012, 100618765, 160990024, 201237530, 402475060, 804950120]

約数ペア:

[(1, 804950120), (2, 402475060), (4, 201237530), (5, 160990024), (8, 100618765), (10, 80495012), (13, 61919240), (20, 40247506), (26, 30959620), (40, 20123753), (52, 15479810), (65, 12383848), (104, 7739905), (130, 6191924), (260, 3095962), (520, 1547981), (571, 1409720), (1142, 704860), (2284, 352430), (2711, 296920), (2855, 281944), (4568, 176215), (5422, 148460), (5710, 140972), (7423, 108440), (10844, 74230), (11420, 70486), (13555, 59384), (14846, 54220), (21688, 37115), (22840, 35243), (27110, 29692)]