73980140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{284539}}^1$

素因数の和:284561

約数の個数: 24

約数和(自身を含む): 167309520

約数和(自身を除く): 93329380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 284539, 569078, 1138156, 1422695, 2845390, 3699007, 5690780, 7398014, 14796028, 18495035, 36990070, 73980140]

約数ペア:

[(1, 73980140), (2, 36990070), (4, 18495035), (5, 14796028), (10, 7398014), (13, 5690780), (20, 3699007), (26, 2845390), (52, 1422695), (65, 1138156), (130, 569078), (260, 284539)]