66915760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28843}}^1$

素因数の和:28885

約数の個数: 40

約数和(自身を含む): 160949520

約数和(自身を除く): 94033760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 28843, 57686, 115372, 144215, 230744, 288430, 461488, 576860, 836447, 1153720, 1672894, 2307440, 3345788, 4182235, 6691576, 8364470, 13383152, 16728940, 33457880, 66915760]

約数ペア:

[(1, 66915760), (2, 33457880), (4, 16728940), (5, 13383152), (8, 8364470), (10, 6691576), (16, 4182235), (20, 3345788), (29, 2307440), (40, 1672894), (58, 1153720), (80, 836447), (116, 576860), (145, 461488), (232, 288430), (290, 230744), (464, 144215), (580, 115372), (1160, 57686), (2320, 28843)]