31100240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6373}}^1$

素因数の和:6447

約数の個数: 40

約数和(自身を含む): 73504968

約数和(自身を除く): 42404728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 6373, 12746, 25492, 31865, 50984, 63730, 101968, 127460, 254920, 388753, 509840, 777506, 1555012, 1943765, 3110024, 3887530, 6220048, 7775060, 15550120, 31100240]

約数ペア:

[(1, 31100240), (2, 15550120), (4, 7775060), (5, 6220048), (8, 3887530), (10, 3110024), (16, 1943765), (20, 1555012), (40, 777506), (61, 509840), (80, 388753), (122, 254920), (244, 127460), (305, 101968), (488, 63730), (610, 50984), (976, 31865), (1220, 25492), (2440, 12746), (4880, 6373)]