42499760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17137}}^1$

素因数の和:17181

約数の個数: 40

約数和(自身を含む): 102005376

約数和(自身を除く): 59505616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 17137, 34274, 68548, 85685, 137096, 171370, 274192, 342740, 531247, 685480, 1062494, 1370960, 2124988, 2656235, 4249976, 5312470, 8499952, 10624940, 21249880, 42499760]

約数ペア:

[(1, 42499760), (2, 21249880), (4, 10624940), (5, 8499952), (8, 5312470), (10, 4249976), (16, 2656235), (20, 2124988), (31, 1370960), (40, 1062494), (62, 685480), (80, 531247), (124, 342740), (155, 274192), (248, 171370), (310, 137096), (496, 85685), (620, 68548), (1240, 34274), (2480, 17137)]