55547980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 119369376

約数和(自身を除く): 63821396

約数列:

[1, 2, 4, 5, 10, 20, 101, 107, 202, 214, 257, 404, 428, 505, 514, 535, 1010, 1028, 1070, 1285, 2020, 2140, 2570, 5140, 10807, 21614, 25957, 27499, 43228, 51914, 54035, 54998, 103828, 108070, 109996, 129785, 137495, 216140, 259570, 274990, 519140, 549980, 2777399, 5554798, 11109596, 13886995, 27773990, 55547980]

約数ペア:

[(1, 55547980), (2, 27773990), (4, 13886995), (5, 11109596), (10, 5554798), (20, 2777399), (101, 549980), (107, 519140), (202, 274990), (214, 259570), (257, 216140), (404, 137495), (428, 129785), (505, 109996), (514, 108070), (535, 103828), (1010, 54998), (1028, 54035), (1070, 51914), (1285, 43228), (2020, 27499), (2140, 25957), (2570, 21614), (5140, 10807)]