163885840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66083}}^1$

素因数の和:66127

約数の個数: 40

約数和(自身を含む): 393331968

約数和(自身を除く): 229446128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 66083, 132166, 264332, 330415, 528664, 660830, 1057328, 1321660, 2048573, 2643320, 4097146, 5286640, 8194292, 10242865, 16388584, 20485730, 32777168, 40971460, 81942920, 163885840]

約数ペア:

[(1, 163885840), (2, 81942920), (4, 40971460), (5, 32777168), (8, 20485730), (10, 16388584), (16, 10242865), (20, 8194292), (31, 5286640), (40, 4097146), (62, 2643320), (80, 2048573), (124, 1321660), (155, 1057328), (248, 660830), (310, 528664), (496, 330415), (620, 264332), (1240, 132166), (2480, 66083)]