87729850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 177176160

約数和(自身を除く): 89446310

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 139, 278, 325, 650, 695, 971, 1390, 1807, 1942, 3475, 3614, 4855, 6950, 9035, 9710, 12623, 18070, 24275, 25246, 45175, 48550, 63115, 90350, 126230, 134969, 269938, 315575, 631150, 674845, 1349690, 1754597, 3374225, 3509194, 6748450, 8772985, 17545970, 43864925, 87729850]

約数ペア:

[(1, 87729850), (2, 43864925), (5, 17545970), (10, 8772985), (13, 6748450), (25, 3509194), (26, 3374225), (50, 1754597), (65, 1349690), (130, 674845), (139, 631150), (278, 315575), (325, 269938), (650, 134969), (695, 126230), (971, 90350), (1390, 63115), (1807, 48550), (1942, 45175), (3475, 25246), (3614, 24275), (4855, 18070), (6950, 12623), (9035, 9710)]