55245160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 131961600

約数和(自身を除く): 76716440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 157, 190, 314, 380, 463, 628, 760, 785, 926, 1256, 1570, 1852, 2315, 2983, 3140, 3704, 4630, 5966, 6280, 8797, 9260, 11932, 14915, 17594, 18520, 23864, 29830, 35188, 43985, 59660, 70376, 72691, 87970, 119320, 145382, 175940, 290764, 351880, 363455, 581528, 726910, 1381129, 1453820, 2762258, 2907640, 5524516, 6905645, 11049032, 13811290, 27622580, 55245160]

約数ペア:

[(1, 55245160), (2, 27622580), (4, 13811290), (5, 11049032), (8, 6905645), (10, 5524516), (19, 2907640), (20, 2762258), (38, 1453820), (40, 1381129), (76, 726910), (95, 581528), (152, 363455), (157, 351880), (190, 290764), (314, 175940), (380, 145382), (463, 119320), (628, 87970), (760, 72691), (785, 70376), (926, 59660), (1256, 43985), (1570, 35188), (1852, 29830), (2315, 23864), (2983, 18520), (3140, 17594), (3704, 14915), (4630, 11932), (5966, 9260), (6280, 8797)]