181483640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349007}}^1$

素因数の和:349031

約数の個数: 32

約数和(自身を含む): 439750080

約数和(自身を除く): 258266440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 349007, 698014, 1396028, 1745035, 2792056, 3490070, 4537091, 6980140, 9074182, 13960280, 18148364, 22685455, 36296728, 45370910, 90741820, 181483640]

約数ペア:

[(1, 181483640), (2, 90741820), (4, 45370910), (5, 36296728), (8, 22685455), (10, 18148364), (13, 13960280), (20, 9074182), (26, 6980140), (40, 4537091), (52, 3490070), (65, 2792056), (104, 1745035), (130, 1396028), (260, 698014), (520, 349007)]