64202840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 156461760

約数和(自身を除く): 92258920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 311, 397, 520, 622, 794, 1244, 1555, 1588, 1985, 2488, 3110, 3176, 3970, 4043, 5161, 6220, 7940, 8086, 10322, 12440, 15880, 16172, 20215, 20644, 25805, 32344, 40430, 41288, 51610, 80860, 103220, 123467, 161720, 206440, 246934, 493868, 617335, 987736, 1234670, 1605071, 2469340, 3210142, 4938680, 6420284, 8025355, 12840568, 16050710, 32101420, 64202840]

約数ペア:

[(1, 64202840), (2, 32101420), (4, 16050710), (5, 12840568), (8, 8025355), (10, 6420284), (13, 4938680), (20, 3210142), (26, 2469340), (40, 1605071), (52, 1234670), (65, 987736), (104, 617335), (130, 493868), (260, 246934), (311, 206440), (397, 161720), (520, 123467), (622, 103220), (794, 80860), (1244, 51610), (1555, 41288), (1588, 40430), (1985, 32344), (2488, 25805), (3110, 20644), (3176, 20215), (3970, 16172), (4043, 15880), (5161, 12440), (6220, 10322), (7940, 8086)]