1980066920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{14051}}^1$

素因数の和:14346

約数の個数: 64

約数和(自身を含む): 4815901440

約数和(自身を除く): 2835834520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 271, 520, 542, 1084, 1355, 2168, 2710, 3523, 5420, 7046, 10840, 14051, 14092, 17615, 28102, 28184, 35230, 56204, 70255, 70460, 112408, 140510, 140920, 182663, 281020, 365326, 562040, 730652, 913315, 1461304, 1826630, 3653260, 3807821, 7306520, 7615642, 15231284, 19039105, 30462568, 38078210, 49501673, 76156420, 99003346, 152312840, 198006692, 247508365, 396013384, 495016730, 990033460, 1980066920]

約数ペア:

[(1, 1980066920), (2, 990033460), (4, 495016730), (5, 396013384), (8, 247508365), (10, 198006692), (13, 152312840), (20, 99003346), (26, 76156420), (40, 49501673), (52, 38078210), (65, 30462568), (104, 19039105), (130, 15231284), (260, 7615642), (271, 7306520), (520, 3807821), (542, 3653260), (1084, 1826630), (1355, 1461304), (2168, 913315), (2710, 730652), (3523, 562040), (5420, 365326), (7046, 281020), (10840, 182663), (14051, 140920), (14092, 140510), (17615, 112408), (28102, 70460), (28184, 70255), (35230, 56204)]