79120040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{379}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 189604800

約数和(自身を除く): 110484760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 307, 340, 379, 614, 680, 758, 1228, 1516, 1535, 1895, 2456, 3032, 3070, 3790, 5219, 6140, 6443, 7580, 10438, 12280, 12886, 15160, 20876, 25772, 26095, 32215, 41752, 51544, 52190, 64430, 104380, 116353, 128860, 208760, 232706, 257720, 465412, 581765, 930824, 1163530, 1978001, 2327060, 3956002, 4654120, 7912004, 9890005, 15824008, 19780010, 39560020, 79120040]

約数ペア:

[(1, 79120040), (2, 39560020), (4, 19780010), (5, 15824008), (8, 9890005), (10, 7912004), (17, 4654120), (20, 3956002), (34, 2327060), (40, 1978001), (68, 1163530), (85, 930824), (136, 581765), (170, 465412), (307, 257720), (340, 232706), (379, 208760), (614, 128860), (680, 116353), (758, 104380), (1228, 64430), (1516, 52190), (1535, 51544), (1895, 41752), (2456, 32215), (3032, 26095), (3070, 25772), (3790, 20876), (5219, 15160), (6140, 12886), (6443, 12280), (7580, 10438)]