53717960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 128945520

約数和(自身を除く): 75227560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 197, 340, 394, 401, 680, 788, 802, 985, 1576, 1604, 1970, 2005, 3208, 3349, 3940, 4010, 6698, 6817, 7880, 8020, 13396, 13634, 16040, 16745, 26792, 27268, 33490, 34085, 54536, 66980, 68170, 78997, 133960, 136340, 157994, 272680, 315988, 394985, 631976, 789970, 1342949, 1579940, 2685898, 3159880, 5371796, 6714745, 10743592, 13429490, 26858980, 53717960]

約数ペア:

[(1, 53717960), (2, 26858980), (4, 13429490), (5, 10743592), (8, 6714745), (10, 5371796), (17, 3159880), (20, 2685898), (34, 1579940), (40, 1342949), (68, 789970), (85, 631976), (136, 394985), (170, 315988), (197, 272680), (340, 157994), (394, 136340), (401, 133960), (680, 78997), (788, 68170), (802, 66980), (985, 54536), (1576, 34085), (1604, 33490), (1970, 27268), (2005, 26792), (3208, 16745), (3349, 16040), (3940, 13634), (4010, 13396), (6698, 8020), (6817, 7880)]