16172780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3659}}^1$

素因数の和:3698

約数の個数: 48

約数和(自身を含む): 38737440

約数和(自身を除く): 22564660

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 3659, 4420, 7318, 14636, 18295, 36590, 47567, 62203, 73180, 95134, 124406, 190268, 237835, 248812, 311015, 475670, 622030, 808639, 951340, 1244060, 1617278, 3234556, 4043195, 8086390, 16172780]

約数ペア:

[(1, 16172780), (2, 8086390), (4, 4043195), (5, 3234556), (10, 1617278), (13, 1244060), (17, 951340), (20, 808639), (26, 622030), (34, 475670), (52, 311015), (65, 248812), (68, 237835), (85, 190268), (130, 124406), (170, 95134), (221, 73180), (260, 62203), (340, 47567), (442, 36590), (884, 18295), (1105, 14636), (2210, 7318), (3659, 4420)]