20148479950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{83621}}^1$

素因数の和:83773

約数の個数: 48

約数和(自身を含む): 38573156160

約数和(自身を除く): 18424676210

約数列:

[1, 2, 5, 10, 25, 50, 61, 79, 122, 158, 305, 395, 610, 790, 1525, 1975, 3050, 3950, 4819, 9638, 24095, 48190, 83621, 120475, 167242, 240950, 418105, 836210, 2090525, 4181050, 5100881, 6606059, 10201762, 13212118, 25504405, 33030295, 51008810, 66060590, 127522025, 165151475, 255044050, 330302950, 402969599, 805939198, 2014847995, 4029695990, 10074239975, 20148479950]

約数ペア:

[(1, 20148479950), (2, 10074239975), (5, 4029695990), (10, 2014847995), (25, 805939198), (50, 402969599), (61, 330302950), (79, 255044050), (122, 165151475), (158, 127522025), (305, 66060590), (395, 51008810), (610, 33030295), (790, 25504405), (1525, 13212118), (1975, 10201762), (3050, 6606059), (3950, 5100881), (4819, 4181050), (9638, 2090525), (24095, 836210), (48190, 418105), (83621, 240950), (120475, 167242)]