127636400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{5231}}^1$

素因数の和:5310

約数の個数: 60

約数和(自身を含む): 311733024

約数和(自身を除く): 184096624

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, 1220, 1525, 2440, 3050, 4880, 5231, 6100, 10462, 12200, 20924, 24400, 26155, 41848, 52310, 83696, 104620, 130775, 209240, 261550, 319091, 418480, 523100, 638182, 1046200, 1276364, 1595455, 2092400, 2552728, 3190910, 5105456, 6381820, 7977275, 12763640, 15954550, 25527280, 31909100, 63818200, 127636400]

約数ペア:

[(1, 127636400), (2, 63818200), (4, 31909100), (5, 25527280), (8, 15954550), (10, 12763640), (16, 7977275), (20, 6381820), (25, 5105456), (40, 3190910), (50, 2552728), (61, 2092400), (80, 1595455), (100, 1276364), (122, 1046200), (200, 638182), (244, 523100), (305, 418480), (400, 319091), (488, 261550), (610, 209240), (976, 130775), (1220, 104620), (1525, 83696), (2440, 52310), (3050, 41848), (4880, 26155), (5231, 24400), (6100, 20924), (10462, 12200)]