40299040

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4129}}^1$

素因数の和:4205

約数の個数: 48

約数和(自身を含む): 96790680

約数和(自身を除く): 56491640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4129, 4880, 8258, 9760, 16516, 20645, 33032, 41290, 66064, 82580, 132128, 165160, 251869, 330320, 503738, 660640, 1007476, 1259345, 2014952, 2518690, 4029904, 5037380, 8059808, 10074760, 20149520, 40299040]

約数ペア:

[(1, 40299040), (2, 20149520), (4, 10074760), (5, 8059808), (8, 5037380), (10, 4029904), (16, 2518690), (20, 2014952), (32, 1259345), (40, 1007476), (61, 660640), (80, 503738), (122, 330320), (160, 251869), (244, 165160), (305, 132128), (488, 82580), (610, 66064), (976, 41290), (1220, 33032), (1952, 20645), (2440, 16516), (4129, 9760), (4880, 8258)]