4980950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 10207680

約数和(自身を除く): 5226730

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 97, 130, 158, 194, 325, 395, 485, 650, 790, 970, 1027, 1261, 1975, 2054, 2425, 2522, 3950, 4850, 5135, 6305, 7663, 10270, 12610, 15326, 25675, 31525, 38315, 51350, 63050, 76630, 99619, 191575, 199238, 383150, 498095, 996190, 2490475, 4980950]

約数ペア:

[(1, 4980950), (2, 2490475), (5, 996190), (10, 498095), (13, 383150), (25, 199238), (26, 191575), (50, 99619), (65, 76630), (79, 63050), (97, 51350), (130, 38315), (158, 31525), (194, 25675), (325, 15326), (395, 12610), (485, 10270), (650, 7663), (790, 6305), (970, 5135), (1027, 4850), (1261, 3950), (1975, 2522), (2054, 2425)]