56508040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 132480000

約数和(自身を除く): 75971960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 229, 248, 310, 398, 458, 620, 796, 916, 995, 1145, 1240, 1592, 1832, 1990, 2290, 3980, 4580, 6169, 7099, 7960, 9160, 12338, 14198, 24676, 28396, 30845, 35495, 45571, 49352, 56792, 61690, 70990, 91142, 123380, 141980, 182284, 227855, 246760, 283960, 364568, 455710, 911420, 1412701, 1822840, 2825402, 5650804, 7063505, 11301608, 14127010, 28254020, 56508040]

約数ペア:

[(1, 56508040), (2, 28254020), (4, 14127010), (5, 11301608), (8, 7063505), (10, 5650804), (20, 2825402), (31, 1822840), (40, 1412701), (62, 911420), (124, 455710), (155, 364568), (199, 283960), (229, 246760), (248, 227855), (310, 182284), (398, 141980), (458, 123380), (620, 91142), (796, 70990), (916, 61690), (995, 56792), (1145, 49352), (1240, 45571), (1592, 35495), (1832, 30845), (1990, 28396), (2290, 24676), (3980, 14198), (4580, 12338), (6169, 9160), (7099, 7960)]