8049360020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1\times {\mathrm{487}}^1$

素因数の和:1081

約数の個数: 96

約数和(自身を含む): 18405735936

約数和(自身を除く): 10356375916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 421, 487, 604, 755, 842, 974, 1510, 1684, 1948, 1963, 2105, 2435, 3020, 3926, 4210, 4870, 5473, 6331, 7852, 8420, 9740, 9815, 10946, 12662, 19630, 21892, 25324, 27365, 31655, 39260, 54730, 63310, 63571, 73537, 109460, 126620, 127142, 147074, 205027, 254284, 294148, 317855, 367685, 410054, 635710, 735370, 820108, 826423, 955981, 1025135, 1271420, 1470740, 1652846, 1911962, 2050270, 2665351, 3305692, 3823924, 4100540, 4132115, 4779905, 5330702, 8264230, 9559810, 10661404, 13326755, 16528460, 19119620, 26653510, 30959077, 53307020, 61918154, 123836308, 154795385, 309590770, 402468001, 619181540, 804936002, 1609872004, 2012340005, 4024680010, 8049360020]

約数ペア:

[(1, 8049360020), (2, 4024680010), (4, 2012340005), (5, 1609872004), (10, 804936002), (13, 619181540), (20, 402468001), (26, 309590770), (52, 154795385), (65, 123836308), (130, 61918154), (151, 53307020), (260, 30959077), (302, 26653510), (421, 19119620), (487, 16528460), (604, 13326755), (755, 10661404), (842, 9559810), (974, 8264230), (1510, 5330702), (1684, 4779905), (1948, 4132115), (1963, 4100540), (2105, 3823924), (2435, 3305692), (3020, 2665351), (3926, 2050270), (4210, 1911962), (4870, 1652846), (5473, 1470740), (6331, 1271420), (7852, 1025135), (8420, 955981), (9740, 826423), (9815, 820108), (10946, 735370), (12662, 635710), (19630, 410054), (21892, 367685), (25324, 317855), (27365, 294148), (31655, 254284), (39260, 205027), (54730, 147074), (63310, 127142), (63571, 126620), (73537, 109460)]