203813840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{82183}}^1$

素因数の和:82227

約数の個数: 40

約数和(自身を含む): 489159168

約数和(自身を除く): 285345328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 82183, 164366, 328732, 410915, 657464, 821830, 1314928, 1643660, 2547673, 3287320, 5095346, 6574640, 10190692, 12738365, 20381384, 25476730, 40762768, 50953460, 101906920, 203813840]

約数ペア:

[(1, 203813840), (2, 101906920), (4, 50953460), (5, 40762768), (8, 25476730), (10, 20381384), (16, 12738365), (20, 10190692), (31, 6574640), (40, 5095346), (62, 3287320), (80, 2547673), (124, 1643660), (155, 1314928), (248, 821830), (310, 657464), (496, 410915), (620, 328732), (1240, 164366), (2480, 82183)]