47780720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{45943}}^1$

素因数の和:45969

約数の個数: 40

約数和(自身を含む): 119638176

約数和(自身を除く): 71857456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 45943, 91886, 183772, 229715, 367544, 459430, 597259, 735088, 918860, 1194518, 1837720, 2389036, 2986295, 3675440, 4778072, 5972590, 9556144, 11945180, 23890360, 47780720]

約数ペア:

[(1, 47780720), (2, 23890360), (4, 11945180), (5, 9556144), (8, 5972590), (10, 4778072), (13, 3675440), (16, 2986295), (20, 2389036), (26, 1837720), (40, 1194518), (52, 918860), (65, 735088), (80, 597259), (104, 459430), (130, 367544), (208, 229715), (260, 183772), (520, 91886), (1040, 45943)]