39944020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 88275600

約数和(自身を除く): 48331580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1129, 1220, 1769, 2258, 3538, 4516, 5645, 7076, 8845, 11290, 17690, 22580, 32741, 35380, 65482, 68869, 130964, 137738, 163705, 275476, 327410, 344345, 654820, 688690, 1377380, 1997201, 3994402, 7988804, 9986005, 19972010, 39944020]

約数ペア:

[(1, 39944020), (2, 19972010), (4, 9986005), (5, 7988804), (10, 3994402), (20, 1997201), (29, 1377380), (58, 688690), (61, 654820), (116, 344345), (122, 327410), (145, 275476), (244, 163705), (290, 137738), (305, 130964), (580, 68869), (610, 65482), (1129, 35380), (1220, 32741), (1769, 22580), (2258, 17690), (3538, 11290), (4516, 8845), (5645, 7076)]