90639040

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9137}}^1$

素因数の和:9185

約数の個数: 56

約数和(自身を含む): 222820992

約数和(自身を除く): 132181952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9137, 9920, 18274, 36548, 45685, 73096, 91370, 146192, 182740, 283247, 292384, 365480, 566494, 584768, 730960, 1132988, 1416235, 1461920, 2265976, 2832470, 2923840, 4531952, 5664940, 9063904, 11329880, 18127808, 22659760, 45319520, 90639040]

約数ペア:

[(1, 90639040), (2, 45319520), (4, 22659760), (5, 18127808), (8, 11329880), (10, 9063904), (16, 5664940), (20, 4531952), (31, 2923840), (32, 2832470), (40, 2265976), (62, 1461920), (64, 1416235), (80, 1132988), (124, 730960), (155, 584768), (160, 566494), (248, 365480), (310, 292384), (320, 283247), (496, 182740), (620, 146192), (992, 91370), (1240, 73096), (1984, 45685), (2480, 36548), (4960, 18274), (9137, 9920)]