64497550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1481}}^1$

素因数の和:1573

約数の個数: 48

約数和(自身を含む): 131210352

約数和(自身を除く): 66712802

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 650, 670, 871, 1481, 1675, 1742, 2962, 3350, 4355, 7405, 8710, 14810, 19253, 21775, 37025, 38506, 43550, 74050, 96265, 99227, 192530, 198454, 481325, 496135, 962650, 992270, 1289951, 2480675, 2579902, 4961350, 6449755, 12899510, 32248775, 64497550]

約数ペア:

[(1, 64497550), (2, 32248775), (5, 12899510), (10, 6449755), (13, 4961350), (25, 2579902), (26, 2480675), (50, 1289951), (65, 992270), (67, 962650), (130, 496135), (134, 481325), (325, 198454), (335, 192530), (650, 99227), (670, 96265), (871, 74050), (1481, 43550), (1675, 38506), (1742, 37025), (2962, 21775), (3350, 19253), (4355, 14810), (7405, 8710)]