165051640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18671}}^1$

素因数の和:18712

約数の個数: 64

約数和(自身を含む): 423480960

約数和(自身を除く): 258429320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 18671, 37342, 74684, 93355, 149368, 186710, 242723, 317407, 373420, 485446, 634814, 746840, 970892, 1213615, 1269628, 1587035, 1941784, 2427230, 2539256, 3174070, 4126291, 4854460, 6348140, 8252582, 9708920, 12696280, 16505164, 20631455, 33010328, 41262910, 82525820, 165051640]

約数ペア:

[(1, 165051640), (2, 82525820), (4, 41262910), (5, 33010328), (8, 20631455), (10, 16505164), (13, 12696280), (17, 9708920), (20, 8252582), (26, 6348140), (34, 4854460), (40, 4126291), (52, 3174070), (65, 2539256), (68, 2427230), (85, 1941784), (104, 1587035), (130, 1269628), (136, 1213615), (170, 970892), (221, 746840), (260, 634814), (340, 485446), (442, 373420), (520, 317407), (680, 242723), (884, 186710), (1105, 149368), (1768, 93355), (2210, 74684), (4420, 37342), (8840, 18671)]