28306400

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:924

約数の個数: 72

約数和(自身を含む): 70870464

約数和(自身を除く): 42564064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 656, 800, 820, 863, 1025, 1312, 1640, 1726, 2050, 3280, 3452, 4100, 4315, 6560, 6904, 8200, 8630, 13808, 16400, 17260, 21575, 27616, 32800, 34520, 35383, 43150, 69040, 70766, 86300, 138080, 141532, 172600, 176915, 283064, 345200, 353830, 566128, 690400, 707660, 884575, 1132256, 1415320, 1769150, 2830640, 3538300, 5661280, 7076600, 14153200, 28306400]

約数ペア:

[(1, 28306400), (2, 14153200), (4, 7076600), (5, 5661280), (8, 3538300), (10, 2830640), (16, 1769150), (20, 1415320), (25, 1132256), (32, 884575), (40, 707660), (41, 690400), (50, 566128), (80, 353830), (82, 345200), (100, 283064), (160, 176915), (164, 172600), (200, 141532), (205, 138080), (328, 86300), (400, 70766), (410, 69040), (656, 43150), (800, 35383), (820, 34520), (863, 32800), (1025, 27616), (1312, 21575), (1640, 17260), (1726, 16400), (2050, 13808), (3280, 8630), (3452, 8200), (4100, 6904), (4315, 6560)]