39981280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14699}}^1$

素因数の和:14731

約数の個数: 48

約数和(自身を含む): 100018800

約数和(自身を除く): 60037520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 14699, 29398, 58796, 73495, 117592, 146990, 235184, 249883, 293980, 470368, 499766, 587960, 999532, 1175920, 1249415, 1999064, 2351840, 2498830, 3998128, 4997660, 7996256, 9995320, 19990640, 39981280]

約数ペア:

[(1, 39981280), (2, 19990640), (4, 9995320), (5, 7996256), (8, 4997660), (10, 3998128), (16, 2498830), (17, 2351840), (20, 1999064), (32, 1249415), (34, 1175920), (40, 999532), (68, 587960), (80, 499766), (85, 470368), (136, 293980), (160, 249883), (170, 235184), (272, 146990), (340, 117592), (544, 73495), (680, 58796), (1360, 29398), (2720, 14699)]