1145940520

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{44279}}^1$

素因数の和:44937

約数の個数: 32

約数和(自身を含む): 2582409600

約数和(自身を除く): 1436469080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 12940, 25880, 44279, 88558, 177116, 221395, 354232, 442790, 885580, 1771160, 28648513, 57297026, 114594052, 143242565, 229188104, 286485130, 572970260, 1145940520]

約数ペア:

[(1, 1145940520), (2, 572970260), (4, 286485130), (5, 229188104), (8, 143242565), (10, 114594052), (20, 57297026), (40, 28648513), (647, 1771160), (1294, 885580), (2588, 442790), (3235, 354232), (5176, 221395), (6470, 177116), (12940, 88558), (25880, 44279)]