201567890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{15859}}^1$

素因数の和:15938

約数の個数: 32

約数和(自身を含む): 383685120

約数和(自身を除く): 182117230

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 2542, 6355, 12710, 15859, 31718, 79295, 158590, 491629, 650219, 983258, 1300438, 2458145, 3251095, 4916290, 6502190, 20156789, 40313578, 100783945, 201567890]

約数ペア:

[(1, 201567890), (2, 100783945), (5, 40313578), (10, 20156789), (31, 6502190), (41, 4916290), (62, 3251095), (82, 2458145), (155, 1300438), (205, 983258), (310, 650219), (410, 491629), (1271, 158590), (2542, 79295), (6355, 31718), (12710, 15859)]