28407340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6427}}^1$

素因数の和:6466

約数の個数: 48

約数和(自身を含む): 68033952

約数和(自身を除く): 39626612

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 6427, 12854, 25708, 32135, 64270, 83551, 109259, 128540, 167102, 218518, 334204, 417755, 437036, 546295, 835510, 1092590, 1420367, 1671020, 2185180, 2840734, 5681468, 7101835, 14203670, 28407340]

約数ペア:

[(1, 28407340), (2, 14203670), (4, 7101835), (5, 5681468), (10, 2840734), (13, 2185180), (17, 1671020), (20, 1420367), (26, 1092590), (34, 835510), (52, 546295), (65, 437036), (68, 417755), (85, 334204), (130, 218518), (170, 167102), (221, 128540), (260, 109259), (340, 83551), (442, 64270), (884, 32135), (1105, 25708), (2210, 12854), (4420, 6427)]