68988680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59473}}^1$

素因数の和:59513

約数の個数: 32

約数和(自身を含む): 160579800

約数和(自身を除く): 91591120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 59473, 118946, 237892, 297365, 475784, 594730, 1189460, 1724717, 2378920, 3449434, 6898868, 8623585, 13797736, 17247170, 34494340, 68988680]

約数ペア:

[(1, 68988680), (2, 34494340), (4, 17247170), (5, 13797736), (8, 8623585), (10, 6898868), (20, 3449434), (29, 2378920), (40, 1724717), (58, 1189460), (116, 594730), (145, 475784), (232, 297365), (290, 237892), (580, 118946), (1160, 59473)]