64006540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1423}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 145692288

約数和(自身を除く): 81685748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1423, 1730, 2249, 2846, 3460, 4498, 5692, 7115, 8996, 11245, 14230, 18499, 22490, 28460, 36998, 44980, 73996, 92495, 184990, 246179, 369980, 492358, 984716, 1230895, 2461790, 3200327, 4923580, 6400654, 12801308, 16001635, 32003270, 64006540]

約数ペア:

[(1, 64006540), (2, 32003270), (4, 16001635), (5, 12801308), (10, 6400654), (13, 4923580), (20, 3200327), (26, 2461790), (52, 1230895), (65, 984716), (130, 492358), (173, 369980), (260, 246179), (346, 184990), (692, 92495), (865, 73996), (1423, 44980), (1730, 36998), (2249, 28460), (2846, 22490), (3460, 18499), (4498, 14230), (5692, 11245), (7115, 8996)]