40302640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1010

約数の個数: 80

約数和(自身を含む): 108564480

約数和(自身を除く): 68261840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 911, 1106, 1264, 1580, 1822, 2212, 2765, 3160, 3644, 4424, 4555, 5530, 6320, 6377, 7288, 8848, 9110, 11060, 12754, 14576, 18220, 22120, 25508, 31885, 36440, 44240, 51016, 63770, 71969, 72880, 102032, 127540, 143938, 255080, 287876, 359845, 503783, 510160, 575752, 719690, 1007566, 1151504, 1439380, 2015132, 2518915, 2878760, 4030264, 5037830, 5757520, 8060528, 10075660, 20151320, 40302640]

約数ペア:

[(1, 40302640), (2, 20151320), (4, 10075660), (5, 8060528), (7, 5757520), (8, 5037830), (10, 4030264), (14, 2878760), (16, 2518915), (20, 2015132), (28, 1439380), (35, 1151504), (40, 1007566), (56, 719690), (70, 575752), (79, 510160), (80, 503783), (112, 359845), (140, 287876), (158, 255080), (280, 143938), (316, 127540), (395, 102032), (553, 72880), (560, 71969), (632, 63770), (790, 51016), (911, 44240), (1106, 36440), (1264, 31885), (1580, 25508), (1822, 22120), (2212, 18220), (2765, 14576), (3160, 12754), (3644, 11060), (4424, 9110), (4555, 8848), (5530, 7288), (6320, 6377)]