29998280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{57689}}^1$

素因数の和:57713

約数の個数: 32

約数和(自身を含む): 72689400

約数和(自身を除く): 42691120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 57689, 115378, 230756, 288445, 461512, 576890, 749957, 1153780, 1499914, 2307560, 2999828, 3749785, 5999656, 7499570, 14999140, 29998280]

約数ペア:

[(1, 29998280), (2, 14999140), (4, 7499570), (5, 5999656), (8, 3749785), (10, 2999828), (13, 2307560), (20, 1499914), (26, 1153780), (40, 749957), (52, 576890), (65, 461512), (104, 288445), (130, 230756), (260, 115378), (520, 57689)]