208813520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{84199}}^1$

素因数の和:84243

約数の個数: 40

約数和(自身を含む): 501158400

約数和(自身を除く): 292344880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 84199, 168398, 336796, 420995, 673592, 841990, 1347184, 1683980, 2610169, 3367960, 5220338, 6735920, 10440676, 13050845, 20881352, 26101690, 41762704, 52203380, 104406760, 208813520]

約数ペア:

[(1, 208813520), (2, 104406760), (4, 52203380), (5, 41762704), (8, 26101690), (10, 20881352), (16, 13050845), (20, 10440676), (31, 6735920), (40, 5220338), (62, 3367960), (80, 2610169), (124, 1683980), (155, 1347184), (248, 841990), (310, 673592), (496, 420995), (620, 336796), (1240, 168398), (2480, 84199)]