87186580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4723}}^1$

素因数の和:4816

約数の個数: 48

約数和(自身を含む): 199995264

約数和(自身を除く): 112808684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 4723, 9230, 9446, 18460, 18892, 23615, 47230, 61399, 94460, 122798, 245596, 306995, 335333, 613990, 670666, 1227980, 1341332, 1676665, 3353330, 4359329, 6706660, 8718658, 17437316, 21796645, 43593290, 87186580]

約数ペア:

[(1, 87186580), (2, 43593290), (4, 21796645), (5, 17437316), (10, 8718658), (13, 6706660), (20, 4359329), (26, 3353330), (52, 1676665), (65, 1341332), (71, 1227980), (130, 670666), (142, 613990), (260, 335333), (284, 306995), (355, 245596), (710, 122798), (923, 94460), (1420, 61399), (1846, 47230), (3692, 23615), (4615, 18892), (4723, 18460), (9230, 9446)]