71120320

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2039}}^1$

素因数の和:2165

約数の個数: 56

約数和(自身を含む): 170992800

約数和(自身を除く): 99872480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2039, 2180, 3488, 4078, 4360, 6976, 8156, 8720, 10195, 16312, 17440, 20390, 32624, 34880, 40780, 65248, 81560, 130496, 163120, 222251, 326240, 444502, 652480, 889004, 1111255, 1778008, 2222510, 3556016, 4445020, 7112032, 8890040, 14224064, 17780080, 35560160, 71120320]

約数ペア:

[(1, 71120320), (2, 35560160), (4, 17780080), (5, 14224064), (8, 8890040), (10, 7112032), (16, 4445020), (20, 3556016), (32, 2222510), (40, 1778008), (64, 1111255), (80, 889004), (109, 652480), (160, 444502), (218, 326240), (320, 222251), (436, 163120), (545, 130496), (872, 81560), (1090, 65248), (1744, 40780), (2039, 34880), (2180, 32624), (3488, 20390), (4078, 17440), (4360, 16312), (6976, 10195), (8156, 8720)]