78417320

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{12983}}^1$

素因数の和:13145

約数の個数: 32

約数和(自身を含む): 177621120

約数和(自身を除く): 99203800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 12983, 25966, 51932, 64915, 103864, 129830, 259660, 519320, 1960433, 3920866, 7841732, 9802165, 15683464, 19604330, 39208660, 78417320]

約数ペア:

[(1, 78417320), (2, 39208660), (4, 19604330), (5, 15683464), (8, 9802165), (10, 7841732), (20, 3920866), (40, 1960433), (151, 519320), (302, 259660), (604, 129830), (755, 103864), (1208, 64915), (1510, 51932), (3020, 25966), (6040, 12983)]