85280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:69

約数の個数: 48

約数和(自身を含む): 222264

約数和(自身を除く): 136984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 328, 410, 416, 520, 533, 656, 820, 1040, 1066, 1312, 1640, 2080, 2132, 2665, 3280, 4264, 5330, 6560, 8528, 10660, 17056, 21320, 42640, 85280]

約数ペア:

[(1, 85280), (2, 42640), (4, 21320), (5, 17056), (8, 10660), (10, 8528), (13, 6560), (16, 5330), (20, 4264), (26, 3280), (32, 2665), (40, 2132), (41, 2080), (52, 1640), (65, 1312), (80, 1066), (82, 1040), (104, 820), (130, 656), (160, 533), (164, 520), (205, 416), (208, 410), (260, 328)]