23324920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 31418120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 191, 215, 284, 344, 355, 382, 430, 568, 710, 764, 860, 955, 1420, 1528, 1720, 1910, 2840, 3053, 3820, 6106, 7640, 8213, 12212, 13561, 15265, 16426, 24424, 27122, 30530, 32852, 41065, 54244, 61060, 65704, 67805, 82130, 108488, 122120, 135610, 164260, 271220, 328520, 542440, 583123, 1166246, 2332492, 2915615, 4664984, 5831230, 11662460, 23324920]

約数ペア:

[(1, 23324920), (2, 11662460), (4, 5831230), (5, 4664984), (8, 2915615), (10, 2332492), (20, 1166246), (40, 583123), (43, 542440), (71, 328520), (86, 271220), (142, 164260), (172, 135610), (191, 122120), (215, 108488), (284, 82130), (344, 67805), (355, 65704), (382, 61060), (430, 54244), (568, 41065), (710, 32852), (764, 30530), (860, 27122), (955, 24424), (1420, 16426), (1528, 15265), (1720, 13561), (1910, 12212), (2840, 8213), (3053, 7640), (3820, 6106)]