82813250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 169513344

約数和(自身を除く): 86700094

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 125, 130, 166, 250, 307, 325, 415, 614, 650, 830, 1079, 1535, 1625, 2075, 2158, 3070, 3250, 3991, 4150, 5395, 7675, 7982, 10375, 10790, 15350, 19955, 20750, 25481, 26975, 38375, 39910, 50962, 53950, 76750, 99775, 127405, 134875, 199550, 254810, 269750, 331253, 498875, 637025, 662506, 997750, 1274050, 1656265, 3185125, 3312530, 6370250, 8281325, 16562650, 41406625, 82813250]

約数ペア:

[(1, 82813250), (2, 41406625), (5, 16562650), (10, 8281325), (13, 6370250), (25, 3312530), (26, 3185125), (50, 1656265), (65, 1274050), (83, 997750), (125, 662506), (130, 637025), (166, 498875), (250, 331253), (307, 269750), (325, 254810), (415, 199550), (614, 134875), (650, 127405), (830, 99775), (1079, 76750), (1535, 53950), (1625, 50962), (2075, 39910), (2158, 38375), (3070, 26975), (3250, 25481), (3991, 20750), (4150, 19955), (5395, 15350), (7675, 10790), (7982, 10375)]