161368640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16267}}^1$

素因数の和:16315

約数の個数: 56

約数和(自身を含む): 396678912

約数和(自身を除く): 235310272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 16267, 32534, 65068, 81335, 130136, 162670, 260272, 325340, 504277, 520544, 650680, 1008554, 1041088, 1301360, 2017108, 2521385, 2602720, 4034216, 5042770, 5205440, 8068432, 10085540, 16136864, 20171080, 32273728, 40342160, 80684320, 161368640]

約数ペア:

[(1, 161368640), (2, 80684320), (4, 40342160), (5, 32273728), (8, 20171080), (10, 16136864), (16, 10085540), (20, 8068432), (31, 5205440), (32, 5042770), (40, 4034216), (62, 2602720), (64, 2521385), (80, 2017108), (124, 1301360), (155, 1041088), (160, 1008554), (248, 650680), (310, 520544), (320, 504277), (496, 325340), (620, 260272), (992, 162670), (1240, 130136), (1984, 81335), (2480, 65068), (4960, 32534), (9920, 16267)]