39272720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 98350848

約数和(自身を除く): 59078128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 335, 340, 431, 536, 670, 680, 862, 1072, 1139, 1340, 1360, 1724, 2155, 2278, 2680, 3448, 4310, 4556, 5360, 5695, 6896, 7327, 8620, 9112, 11390, 14654, 17240, 18224, 22780, 28877, 29308, 34480, 36635, 45560, 57754, 58616, 73270, 91120, 115508, 117232, 144385, 146540, 231016, 288770, 293080, 462032, 490909, 577540, 586160, 981818, 1155080, 1963636, 2310160, 2454545, 3927272, 4909090, 7854544, 9818180, 19636360, 39272720]

約数ペア:

[(1, 39272720), (2, 19636360), (4, 9818180), (5, 7854544), (8, 4909090), (10, 3927272), (16, 2454545), (17, 2310160), (20, 1963636), (34, 1155080), (40, 981818), (67, 586160), (68, 577540), (80, 490909), (85, 462032), (134, 293080), (136, 288770), (170, 231016), (268, 146540), (272, 144385), (335, 117232), (340, 115508), (431, 91120), (536, 73270), (670, 58616), (680, 57754), (862, 45560), (1072, 36635), (1139, 34480), (1340, 29308), (1360, 28877), (1724, 22780), (2155, 18224), (2278, 17240), (2680, 14654), (3448, 11390), (4310, 9112), (4556, 8620), (5360, 7327), (5695, 6896)]