13004680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 31978800

約数和(自身を除く): 18974120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 281, 356, 445, 520, 562, 712, 890, 1124, 1157, 1405, 1780, 2248, 2314, 2810, 3560, 3653, 4628, 5620, 5785, 7306, 9256, 11240, 11570, 14612, 18265, 23140, 25009, 29224, 36530, 46280, 50018, 73060, 100036, 125045, 146120, 200072, 250090, 325117, 500180, 650234, 1000360, 1300468, 1625585, 2600936, 3251170, 6502340, 13004680]

約数ペア:

[(1, 13004680), (2, 6502340), (4, 3251170), (5, 2600936), (8, 1625585), (10, 1300468), (13, 1000360), (20, 650234), (26, 500180), (40, 325117), (52, 250090), (65, 200072), (89, 146120), (104, 125045), (130, 100036), (178, 73060), (260, 50018), (281, 46280), (356, 36530), (445, 29224), (520, 25009), (562, 23140), (712, 18265), (890, 14612), (1124, 11570), (1157, 11240), (1405, 9256), (1780, 7306), (2248, 5785), (2314, 5620), (2810, 4628), (3560, 3653)]