39563420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8951}}^1$

素因数の和:8990

約数の個数: 48

約数和(自身を含む): 94747968

約数和(自身を除く): 55184548

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 8951, 17902, 35804, 44755, 89510, 116363, 152167, 179020, 232726, 304334, 465452, 581815, 608668, 760835, 1163630, 1521670, 1978171, 2327260, 3043340, 3956342, 7912684, 9890855, 19781710, 39563420]

約数ペア:

[(1, 39563420), (2, 19781710), (4, 9890855), (5, 7912684), (10, 3956342), (13, 3043340), (17, 2327260), (20, 1978171), (26, 1521670), (34, 1163630), (52, 760835), (65, 608668), (68, 581815), (85, 465452), (130, 304334), (170, 232726), (221, 179020), (260, 152167), (340, 116363), (442, 89510), (884, 44755), (1105, 35804), (2210, 17902), (4420, 8951)]