61490260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3331}}^1$

素因数の和:3424

約数の個数: 48

約数和(自身を含む): 141063552

約数和(自身を除く): 79573292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3331, 3692, 4615, 6662, 9230, 13324, 16655, 18460, 33310, 43303, 66620, 86606, 173212, 216515, 236501, 433030, 473002, 866060, 946004, 1182505, 2365010, 3074513, 4730020, 6149026, 12298052, 15372565, 30745130, 61490260]

約数ペア:

[(1, 61490260), (2, 30745130), (4, 15372565), (5, 12298052), (10, 6149026), (13, 4730020), (20, 3074513), (26, 2365010), (52, 1182505), (65, 946004), (71, 866060), (130, 473002), (142, 433030), (260, 236501), (284, 216515), (355, 173212), (710, 86606), (923, 66620), (1420, 43303), (1846, 33310), (3331, 18460), (3692, 16655), (4615, 13324), (6662, 9230)]