81815500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 197765568

約数和(自身を除く): 115950068

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 125, 130, 164, 205, 250, 260, 307, 325, 410, 500, 533, 614, 650, 820, 1025, 1066, 1228, 1300, 1535, 1625, 2050, 2132, 2665, 3070, 3250, 3991, 4100, 5125, 5330, 6140, 6500, 7675, 7982, 10250, 10660, 12587, 13325, 15350, 15964, 19955, 20500, 25174, 26650, 30700, 38375, 39910, 50348, 53300, 62935, 66625, 76750, 79820, 99775, 125870, 133250, 153500, 163631, 199550, 251740, 266500, 314675, 327262, 399100, 498875, 629350, 654524, 818155, 997750, 1258700, 1573375, 1636310, 1995500, 3146750, 3272620, 4090775, 6293500, 8181550, 16363100, 20453875, 40907750, 81815500]

約数ペア:

[(1, 81815500), (2, 40907750), (4, 20453875), (5, 16363100), (10, 8181550), (13, 6293500), (20, 4090775), (25, 3272620), (26, 3146750), (41, 1995500), (50, 1636310), (52, 1573375), (65, 1258700), (82, 997750), (100, 818155), (125, 654524), (130, 629350), (164, 498875), (205, 399100), (250, 327262), (260, 314675), (307, 266500), (325, 251740), (410, 199550), (500, 163631), (533, 153500), (614, 133250), (650, 125870), (820, 99775), (1025, 79820), (1066, 76750), (1228, 66625), (1300, 62935), (1535, 53300), (1625, 50348), (2050, 39910), (2132, 38375), (2665, 30700), (3070, 26650), (3250, 25174), (3991, 20500), (4100, 19955), (5125, 15964), (5330, 15350), (6140, 13325), (6500, 12587), (7675, 10660), (7982, 10250)]