28546250

素因数分解:

$2^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:620

約数の個数: 40

約数和(自身を含む): 54910548

約数和(自身を除く): 26364298

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 557, 625, 1025, 1114, 1250, 2050, 2785, 5125, 5570, 10250, 13925, 22837, 25625, 27850, 45674, 51250, 69625, 114185, 139250, 228370, 348125, 570925, 696250, 1141850, 2854625, 5709250, 14273125, 28546250]

約数ペア:

[(1, 28546250), (2, 14273125), (5, 5709250), (10, 2854625), (25, 1141850), (41, 696250), (50, 570925), (82, 348125), (125, 228370), (205, 139250), (250, 114185), (410, 69625), (557, 51250), (625, 45674), (1025, 27850), (1114, 25625), (1250, 22837), (2050, 13925), (2785, 10250), (5125, 5570)]