40921280

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3119}}^1$

素因数の和:3177

約数の個数: 56

約数和(自身を含む): 99852480

約数和(自身を除く): 58931200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3119, 3280, 6238, 6560, 12476, 13120, 15595, 24952, 31190, 49904, 62380, 99808, 124760, 127879, 199616, 249520, 255758, 499040, 511516, 639395, 998080, 1023032, 1278790, 2046064, 2557580, 4092128, 5115160, 8184256, 10230320, 20460640, 40921280]

約数ペア:

[(1, 40921280), (2, 20460640), (4, 10230320), (5, 8184256), (8, 5115160), (10, 4092128), (16, 2557580), (20, 2046064), (32, 1278790), (40, 1023032), (41, 998080), (64, 639395), (80, 511516), (82, 499040), (160, 255758), (164, 249520), (205, 199616), (320, 127879), (328, 124760), (410, 99808), (656, 62380), (820, 49904), (1312, 31190), (1640, 24952), (2624, 15595), (3119, 13120), (3280, 12476), (6238, 6560)]