1657866440

素因数分解:

$2^3\times 5^1\times {\mathrm{2741}}^1\times {\mathrm{15121}}^1$

素因数の和:17873

約数の個数: 32

約数和(自身を含む): 3731807160

約数和(自身を除く): 2073940720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2741, 5482, 10964, 13705, 15121, 21928, 27410, 30242, 54820, 60484, 75605, 109640, 120968, 151210, 302420, 604840, 41446661, 82893322, 165786644, 207233305, 331573288, 414466610, 828933220, 1657866440]

約数ペア:

[(1, 1657866440), (2, 828933220), (4, 414466610), (5, 331573288), (8, 207233305), (10, 165786644), (20, 82893322), (40, 41446661), (2741, 604840), (5482, 302420), (10964, 151210), (13705, 120968), (15121, 109640), (21928, 75605), (27410, 60484), (30242, 54820)]