39640640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{733}}^1$

素因数の和:776

約数の個数: 84

約数和(自身を含む): 102353364

約数和(自身を除く): 62712724

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 733, 832, 845, 1040, 1352, 1466, 1690, 2080, 2704, 2932, 3380, 3665, 4160, 5408, 5864, 6760, 7330, 9529, 10816, 11728, 13520, 14660, 19058, 23456, 27040, 29320, 38116, 46912, 47645, 54080, 58640, 76232, 95290, 117280, 123877, 152464, 190580, 234560, 247754, 304928, 381160, 495508, 609856, 619385, 762320, 991016, 1238770, 1524640, 1982032, 2477540, 3049280, 3964064, 4955080, 7928128, 9910160, 19820320, 39640640]

約数ペア:

[(1, 39640640), (2, 19820320), (4, 9910160), (5, 7928128), (8, 4955080), (10, 3964064), (13, 3049280), (16, 2477540), (20, 1982032), (26, 1524640), (32, 1238770), (40, 991016), (52, 762320), (64, 619385), (65, 609856), (80, 495508), (104, 381160), (130, 304928), (160, 247754), (169, 234560), (208, 190580), (260, 152464), (320, 123877), (338, 117280), (416, 95290), (520, 76232), (676, 58640), (733, 54080), (832, 47645), (845, 46912), (1040, 38116), (1352, 29320), (1466, 27040), (1690, 23456), (2080, 19058), (2704, 14660), (2932, 13520), (3380, 11728), (3665, 10816), (4160, 9529), (5408, 7330), (5864, 6760)]