81262430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2027}}^1$

素因数の和:2264

約数の個数: 32

約数和(自身を含む): 154776960

約数和(自身を除く): 73514530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 1055, 2027, 2110, 4009, 4054, 8018, 10135, 20045, 20270, 38513, 40090, 77026, 192565, 385130, 427697, 855394, 2138485, 4276970, 8126243, 16252486, 40631215, 81262430]

約数ペア:

[(1, 81262430), (2, 40631215), (5, 16252486), (10, 8126243), (19, 4276970), (38, 2138485), (95, 855394), (190, 427697), (211, 385130), (422, 192565), (1055, 77026), (2027, 40090), (2110, 38513), (4009, 20270), (4054, 20045), (8018, 10135)]