9901520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2029}}^1$

素因数の和:2103

約数の個数: 40

約数和(自身を含む): 23409960

約数和(自身を除く): 13508440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2029, 2440, 4058, 4880, 8116, 10145, 16232, 20290, 32464, 40580, 81160, 123769, 162320, 247538, 495076, 618845, 990152, 1237690, 1980304, 2475380, 4950760, 9901520]

約数ペア:

[(1, 9901520), (2, 4950760), (4, 2475380), (5, 1980304), (8, 1237690), (10, 990152), (16, 618845), (20, 495076), (40, 247538), (61, 162320), (80, 123769), (122, 81160), (244, 40580), (305, 32464), (488, 20290), (610, 16232), (976, 10145), (1220, 8116), (2029, 4880), (2440, 4058)]