40805920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 104993280

約数和(自身を除く): 64187360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 380, 433, 496, 589, 608, 620, 760, 866, 992, 1178, 1240, 1520, 1732, 2165, 2356, 2480, 2945, 3040, 3464, 4330, 4712, 4960, 5890, 6928, 8227, 8660, 9424, 11780, 13423, 13856, 16454, 17320, 18848, 23560, 26846, 32908, 34640, 41135, 47120, 53692, 65816, 67115, 69280, 82270, 94240, 107384, 131632, 134230, 164540, 214768, 255037, 263264, 268460, 329080, 429536, 510074, 536920, 658160, 1020148, 1073840, 1275185, 1316320, 2040296, 2147680, 2550370, 4080592, 5100740, 8161184, 10201480, 20402960, 40805920]

約数ペア:

[(1, 40805920), (2, 20402960), (4, 10201480), (5, 8161184), (8, 5100740), (10, 4080592), (16, 2550370), (19, 2147680), (20, 2040296), (31, 1316320), (32, 1275185), (38, 1073840), (40, 1020148), (62, 658160), (76, 536920), (80, 510074), (95, 429536), (124, 329080), (152, 268460), (155, 263264), (160, 255037), (190, 214768), (248, 164540), (304, 134230), (310, 131632), (380, 107384), (433, 94240), (496, 82270), (589, 69280), (608, 67115), (620, 65816), (760, 53692), (866, 47120), (992, 41135), (1178, 34640), (1240, 32908), (1520, 26846), (1732, 23560), (2165, 18848), (2356, 17320), (2480, 16454), (2945, 13856), (3040, 13423), (3464, 11780), (4330, 9424), (4712, 8660), (4960, 8227), (5890, 6928)]