64842520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70481}}^1$

素因数の和:70515

約数の個数: 32

約数和(自身を含む): 152241120

約数和(自身を除く): 87398600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 70481, 140962, 281924, 352405, 563848, 704810, 1409620, 1621063, 2819240, 3242126, 6484252, 8105315, 12968504, 16210630, 32421260, 64842520]

約数ペア:

[(1, 64842520), (2, 32421260), (4, 16210630), (5, 12968504), (8, 8105315), (10, 6484252), (20, 3242126), (23, 2819240), (40, 1621063), (46, 1409620), (92, 704810), (115, 563848), (184, 352405), (230, 281924), (460, 140962), (920, 70481)]