20161478990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{5167}}^1$

素因数の和:5553

約数の個数: 64

約数和(自身を含む): 38507470848

約数和(自身を除く): 18345991858

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 307, 310, 410, 614, 1271, 1535, 2542, 3070, 5167, 6355, 9517, 10334, 12587, 12710, 19034, 25174, 25835, 47585, 51670, 62935, 95170, 125870, 160177, 211847, 320354, 390197, 423694, 780394, 800885, 1059235, 1586269, 1601770, 1950985, 2118470, 3172538, 3901970, 6567257, 7931345, 13134514, 15862690, 32836285, 49174339, 65037029, 65672570, 98348678, 130074058, 245871695, 325185145, 491743390, 650370290, 2016147899, 4032295798, 10080739495, 20161478990]

約数ペア:

[(1, 20161478990), (2, 10080739495), (5, 4032295798), (10, 2016147899), (31, 650370290), (41, 491743390), (62, 325185145), (82, 245871695), (155, 130074058), (205, 98348678), (307, 65672570), (310, 65037029), (410, 49174339), (614, 32836285), (1271, 15862690), (1535, 13134514), (2542, 7931345), (3070, 6567257), (5167, 3901970), (6355, 3172538), (9517, 2118470), (10334, 1950985), (12587, 1601770), (12710, 1586269), (19034, 1059235), (25174, 800885), (25835, 780394), (47585, 423694), (51670, 390197), (62935, 320354), (95170, 211847), (125870, 160177)]