83974540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4549}}^1$

素因数の和:4642

約数の個数: 48

約数和(自身を含む): 192628800

約数和(自身を除く): 108654260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4549, 4615, 9098, 9230, 18196, 18460, 22745, 45490, 59137, 90980, 118274, 236548, 295685, 322979, 591370, 645958, 1182740, 1291916, 1614895, 3229790, 4198727, 6459580, 8397454, 16794908, 20993635, 41987270, 83974540]

約数ペア:

[(1, 83974540), (2, 41987270), (4, 20993635), (5, 16794908), (10, 8397454), (13, 6459580), (20, 4198727), (26, 3229790), (52, 1614895), (65, 1291916), (71, 1182740), (130, 645958), (142, 591370), (260, 322979), (284, 295685), (355, 236548), (710, 118274), (923, 90980), (1420, 59137), (1846, 45490), (3692, 22745), (4549, 18460), (4615, 18196), (9098, 9230)]