13061320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 30734640

約数和(自身を除く): 17673320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 101, 106, 122, 202, 212, 244, 265, 305, 404, 424, 488, 505, 530, 610, 808, 1010, 1060, 1220, 2020, 2120, 2440, 3233, 4040, 5353, 6161, 6466, 10706, 12322, 12932, 16165, 21412, 24644, 25864, 26765, 30805, 32330, 42824, 49288, 53530, 61610, 64660, 107060, 123220, 129320, 214120, 246440, 326533, 653066, 1306132, 1632665, 2612264, 3265330, 6530660, 13061320]

約数ペア:

[(1, 13061320), (2, 6530660), (4, 3265330), (5, 2612264), (8, 1632665), (10, 1306132), (20, 653066), (40, 326533), (53, 246440), (61, 214120), (101, 129320), (106, 123220), (122, 107060), (202, 64660), (212, 61610), (244, 53530), (265, 49288), (305, 42824), (404, 32330), (424, 30805), (488, 26765), (505, 25864), (530, 24644), (610, 21412), (808, 16165), (1010, 12932), (1060, 12322), (1220, 10706), (2020, 6466), (2120, 6161), (2440, 5353), (3233, 4040)]