23161720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 55339200

約数和(自身を除く): 32177480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 487, 580, 820, 974, 1160, 1189, 1640, 1948, 2378, 2435, 3896, 4756, 4870, 5945, 9512, 9740, 11890, 14123, 19480, 19967, 23780, 28246, 39934, 47560, 56492, 70615, 79868, 99835, 112984, 141230, 159736, 199670, 282460, 399340, 564920, 579043, 798680, 1158086, 2316172, 2895215, 4632344, 5790430, 11580860, 23161720]

約数ペア:

[(1, 23161720), (2, 11580860), (4, 5790430), (5, 4632344), (8, 2895215), (10, 2316172), (20, 1158086), (29, 798680), (40, 579043), (41, 564920), (58, 399340), (82, 282460), (116, 199670), (145, 159736), (164, 141230), (205, 112984), (232, 99835), (290, 79868), (328, 70615), (410, 56492), (487, 47560), (580, 39934), (820, 28246), (974, 23780), (1160, 19967), (1189, 19480), (1640, 14123), (1948, 11890), (2378, 9740), (2435, 9512), (3896, 5945), (4756, 4870)]