161750480

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27697}}^1$

素因数の和:27783

約数の個数: 40

約数和(自身を含む): 381235272

約数和(自身を除く): 219484792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 27697, 55394, 110788, 138485, 221576, 276970, 443152, 553940, 1107880, 2021881, 2215760, 4043762, 8087524, 10109405, 16175048, 20218810, 32350096, 40437620, 80875240, 161750480]

約数ペア:

[(1, 161750480), (2, 80875240), (4, 40437620), (5, 32350096), (8, 20218810), (10, 16175048), (16, 10109405), (20, 8087524), (40, 4043762), (73, 2215760), (80, 2021881), (146, 1107880), (292, 553940), (365, 443152), (584, 276970), (730, 221576), (1168, 138485), (1460, 110788), (2920, 55394), (5840, 27697)]