87968920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1013}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 214643520

約数和(自身を除く): 126674600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 668, 835, 1013, 1336, 1670, 2026, 2171, 3340, 4052, 4342, 5065, 6680, 8104, 8684, 10130, 10855, 13169, 17368, 20260, 21710, 26338, 40520, 43420, 52676, 65845, 86840, 105352, 131690, 169171, 263380, 338342, 526760, 676684, 845855, 1353368, 1691710, 2199223, 3383420, 4398446, 6766840, 8796892, 10996115, 17593784, 21992230, 43984460, 87968920]

約数ペア:

[(1, 87968920), (2, 43984460), (4, 21992230), (5, 17593784), (8, 10996115), (10, 8796892), (13, 6766840), (20, 4398446), (26, 3383420), (40, 2199223), (52, 1691710), (65, 1353368), (104, 845855), (130, 676684), (167, 526760), (260, 338342), (334, 263380), (520, 169171), (668, 131690), (835, 105352), (1013, 86840), (1336, 65845), (1670, 52676), (2026, 43420), (2171, 40520), (3340, 26338), (4052, 21710), (4342, 20260), (5065, 17368), (6680, 13169), (8104, 10855), (8684, 10130)]