80337040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3499}}^1$

素因数の和:3560

約数の個数: 80

約数和(自身を含む): 218736000

約数和(自身を除く): 138398960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 3499, 4592, 5740, 6998, 11480, 13996, 17495, 22960, 24493, 27992, 34990, 48986, 55984, 69980, 97972, 122465, 139960, 143459, 195944, 244930, 279920, 286918, 391888, 489860, 573836, 717295, 979720, 1004213, 1147672, 1434590, 1959440, 2008426, 2295344, 2869180, 4016852, 5021065, 5738360, 8033704, 10042130, 11476720, 16067408, 20084260, 40168520, 80337040]

約数ペア:

[(1, 80337040), (2, 40168520), (4, 20084260), (5, 16067408), (7, 11476720), (8, 10042130), (10, 8033704), (14, 5738360), (16, 5021065), (20, 4016852), (28, 2869180), (35, 2295344), (40, 2008426), (41, 1959440), (56, 1434590), (70, 1147672), (80, 1004213), (82, 979720), (112, 717295), (140, 573836), (164, 489860), (205, 391888), (280, 286918), (287, 279920), (328, 244930), (410, 195944), (560, 143459), (574, 139960), (656, 122465), (820, 97972), (1148, 69980), (1435, 55984), (1640, 48986), (2296, 34990), (2870, 27992), (3280, 24493), (3499, 22960), (4592, 17495), (5740, 13996), (6998, 11480)]