87720320

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3343}}^1$

素因数の和:3403

約数の個数: 64

約数和(自身を含む): 214885440

約数和(自身を除く): 127165120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 3280, 3343, 5248, 6560, 6686, 13120, 13372, 16715, 26240, 26744, 33430, 53488, 66860, 106976, 133720, 137063, 213952, 267440, 274126, 427904, 534880, 548252, 685315, 1069760, 1096504, 1370630, 2139520, 2193008, 2741260, 4386016, 5482520, 8772032, 10965040, 17544064, 21930080, 43860160, 87720320]

約数ペア:

[(1, 87720320), (2, 43860160), (4, 21930080), (5, 17544064), (8, 10965040), (10, 8772032), (16, 5482520), (20, 4386016), (32, 2741260), (40, 2193008), (41, 2139520), (64, 1370630), (80, 1096504), (82, 1069760), (128, 685315), (160, 548252), (164, 534880), (205, 427904), (320, 274126), (328, 267440), (410, 213952), (640, 137063), (656, 133720), (820, 106976), (1312, 66860), (1640, 53488), (2624, 33430), (3280, 26744), (3343, 26240), (5248, 16715), (6560, 13372), (6686, 13120)]