26620400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1170

約数の個数: 60

約数和(自身を含む): 65063544

約数和(自身を除く): 38443144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1091, 1220, 1525, 2182, 2440, 3050, 4364, 4880, 5455, 6100, 8728, 10910, 12200, 17456, 21820, 24400, 27275, 43640, 54550, 66551, 87280, 109100, 133102, 218200, 266204, 332755, 436400, 532408, 665510, 1064816, 1331020, 1663775, 2662040, 3327550, 5324080, 6655100, 13310200, 26620400]

約数ペア:

[(1, 26620400), (2, 13310200), (4, 6655100), (5, 5324080), (8, 3327550), (10, 2662040), (16, 1663775), (20, 1331020), (25, 1064816), (40, 665510), (50, 532408), (61, 436400), (80, 332755), (100, 266204), (122, 218200), (200, 133102), (244, 109100), (305, 87280), (400, 66551), (488, 54550), (610, 43640), (976, 27275), (1091, 24400), (1220, 21820), (1525, 17456), (2182, 12200), (2440, 10910), (3050, 8728), (4364, 6100), (4880, 5455)]