28594540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 65620800

約数和(自身を除く): 37026260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1549, 1846, 3098, 3692, 4615, 6196, 7745, 9230, 15490, 18460, 20137, 30980, 40274, 80548, 100685, 109979, 201370, 219958, 402740, 439916, 549895, 1099790, 1429727, 2199580, 2859454, 5718908, 7148635, 14297270, 28594540]

約数ペア:

[(1, 28594540), (2, 14297270), (4, 7148635), (5, 5718908), (10, 2859454), (13, 2199580), (20, 1429727), (26, 1099790), (52, 549895), (65, 439916), (71, 402740), (130, 219958), (142, 201370), (260, 109979), (284, 100685), (355, 80548), (710, 40274), (923, 30980), (1420, 20137), (1549, 18460), (1846, 15490), (3098, 9230), (3692, 7745), (4615, 6196)]