201399560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{162419}}^1$

素因数の和:162461

約数の個数: 32

約数和(自身を含む): 467769600

約数和(自身を除く): 266370040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 162419, 324838, 649676, 812095, 1299352, 1624190, 3248380, 5034989, 6496760, 10069978, 20139956, 25174945, 40279912, 50349890, 100699780, 201399560]

約数ペア:

[(1, 201399560), (2, 100699780), (4, 50349890), (5, 40279912), (8, 25174945), (10, 20139956), (20, 10069978), (31, 6496760), (40, 5034989), (62, 3248380), (124, 1624190), (155, 1299352), (248, 812095), (310, 649676), (620, 324838), (1240, 162419)]