88371020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 191186688

約数和(自身を除く): 102815668

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 211, 215, 422, 430, 487, 844, 860, 974, 1055, 1948, 2110, 2435, 4220, 4870, 9073, 9740, 18146, 20941, 36292, 41882, 45365, 83764, 90730, 102757, 104705, 181460, 205514, 209410, 411028, 418820, 513785, 1027570, 2055140, 4418551, 8837102, 17674204, 22092755, 44185510, 88371020]

約数ペア:

[(1, 88371020), (2, 44185510), (4, 22092755), (5, 17674204), (10, 8837102), (20, 4418551), (43, 2055140), (86, 1027570), (172, 513785), (211, 418820), (215, 411028), (422, 209410), (430, 205514), (487, 181460), (844, 104705), (860, 102757), (974, 90730), (1055, 83764), (1948, 45365), (2110, 41882), (2435, 36292), (4220, 20941), (4870, 18146), (9073, 9740)]