15937840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11719}}^1$

素因数の和:11749

約数の個数: 40

約数和(自身を含む): 39238560

約数和(自身を除く): 23300720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11719, 23438, 46876, 58595, 93752, 117190, 187504, 199223, 234380, 398446, 468760, 796892, 937520, 996115, 1593784, 1992230, 3187568, 3984460, 7968920, 15937840]

約数ペア:

[(1, 15937840), (2, 7968920), (4, 3984460), (5, 3187568), (8, 1992230), (10, 1593784), (16, 996115), (17, 937520), (20, 796892), (34, 468760), (40, 398446), (68, 234380), (80, 199223), (85, 187504), (136, 117190), (170, 93752), (272, 58595), (340, 46876), (680, 23438), (1360, 11719)]