31875680

素因数分解:

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

素因数の和:11751

約数の個数: 48

約数和(自身を含む): 79742880

約数和(自身を除く): 47867200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 11719, 23438, 46876, 58595, 93752, 117190, 187504, 199223, 234380, 375008, 398446, 468760, 796892, 937520, 996115, 1593784, 1875040, 1992230, 3187568, 3984460, 6375136, 7968920, 15937840, 31875680]

約数ペア:

[(1, 31875680), (2, 15937840), (4, 7968920), (5, 6375136), (8, 3984460), (10, 3187568), (16, 1992230), (17, 1875040), (20, 1593784), (32, 996115), (34, 937520), (40, 796892), (68, 468760), (80, 398446), (85, 375008), (136, 234380), (160, 199223), (170, 187504), (272, 117190), (340, 93752), (544, 58595), (680, 46876), (1360, 23438), (2720, 11719)]