8307980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 18258240

約数和(自身を除く): 9950260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 103, 109, 148, 185, 206, 218, 370, 412, 436, 515, 545, 740, 1030, 1090, 2060, 2180, 3811, 4033, 7622, 8066, 11227, 15244, 16132, 19055, 20165, 22454, 38110, 40330, 44908, 56135, 76220, 80660, 112270, 224540, 415399, 830798, 1661596, 2076995, 4153990, 8307980]

約数ペア:

[(1, 8307980), (2, 4153990), (4, 2076995), (5, 1661596), (10, 830798), (20, 415399), (37, 224540), (74, 112270), (103, 80660), (109, 76220), (148, 56135), (185, 44908), (206, 40330), (218, 38110), (370, 22454), (412, 20165), (436, 19055), (515, 16132), (545, 15244), (740, 11227), (1030, 8066), (1090, 7622), (2060, 4033), (2180, 3811)]