49869940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 109149264

約数和(自身を除く): 59279324

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 997, 1220, 1994, 2501, 3988, 4985, 5002, 9970, 10004, 12505, 19940, 25010, 40877, 50020, 60817, 81754, 121634, 163508, 204385, 243268, 304085, 408770, 608170, 817540, 1216340, 2493497, 4986994, 9973988, 12467485, 24934970, 49869940]

約数ペア:

[(1, 49869940), (2, 24934970), (4, 12467485), (5, 9973988), (10, 4986994), (20, 2493497), (41, 1216340), (61, 817540), (82, 608170), (122, 408770), (164, 304085), (205, 243268), (244, 204385), (305, 163508), (410, 121634), (610, 81754), (820, 60817), (997, 50020), (1220, 40877), (1994, 25010), (2501, 19940), (3988, 12505), (4985, 10004), (5002, 9970)]