22128920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2647}}^1$

素因数の和:2688

約数の個数: 64

約数和(自身を含む): 57196800

約数和(自身を除く): 35067880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 2647, 4180, 5294, 8360, 10588, 13235, 21176, 26470, 29117, 50293, 52940, 58234, 100586, 105880, 116468, 145585, 201172, 232936, 251465, 291170, 402344, 502930, 553223, 582340, 1005860, 1106446, 1164680, 2011720, 2212892, 2766115, 4425784, 5532230, 11064460, 22128920]

約数ペア:

[(1, 22128920), (2, 11064460), (4, 5532230), (5, 4425784), (8, 2766115), (10, 2212892), (11, 2011720), (19, 1164680), (20, 1106446), (22, 1005860), (38, 582340), (40, 553223), (44, 502930), (55, 402344), (76, 291170), (88, 251465), (95, 232936), (110, 201172), (152, 145585), (190, 116468), (209, 105880), (220, 100586), (380, 58234), (418, 52940), (440, 50293), (760, 29117), (836, 26470), (1045, 21176), (1672, 13235), (2090, 10588), (2647, 8360), (4180, 5294)]