22001480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 29423800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 127, 142, 244, 254, 284, 305, 355, 488, 508, 568, 610, 635, 710, 1016, 1220, 1270, 1420, 2440, 2540, 2840, 4331, 5080, 7747, 8662, 9017, 15494, 17324, 18034, 21655, 30988, 34648, 36068, 38735, 43310, 45085, 61976, 72136, 77470, 86620, 90170, 154940, 173240, 180340, 309880, 360680, 550037, 1100074, 2200148, 2750185, 4400296, 5500370, 11000740, 22001480]

約数ペア:

[(1, 22001480), (2, 11000740), (4, 5500370), (5, 4400296), (8, 2750185), (10, 2200148), (20, 1100074), (40, 550037), (61, 360680), (71, 309880), (122, 180340), (127, 173240), (142, 154940), (244, 90170), (254, 86620), (284, 77470), (305, 72136), (355, 61976), (488, 45085), (508, 43310), (568, 38735), (610, 36068), (635, 34648), (710, 30988), (1016, 21655), (1220, 18034), (1270, 17324), (1420, 15494), (2440, 9017), (2540, 8662), (2840, 7747), (4331, 5080)]