65605280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31541}}^1$

素因数の和:31569

約数の個数: 48

約数和(自身を含む): 166920264

約数和(自身を除く): 101314984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 31541, 63082, 126164, 157705, 252328, 315410, 410033, 504656, 630820, 820066, 1009312, 1261640, 1640132, 2050165, 2523280, 3280264, 4100330, 5046560, 6560528, 8200660, 13121056, 16401320, 32802640, 65605280]

約数ペア:

[(1, 65605280), (2, 32802640), (4, 16401320), (5, 13121056), (8, 8200660), (10, 6560528), (13, 5046560), (16, 4100330), (20, 3280264), (26, 2523280), (32, 2050165), (40, 1640132), (52, 1261640), (65, 1009312), (80, 820066), (104, 630820), (130, 504656), (160, 410033), (208, 315410), (260, 252328), (416, 157705), (520, 126164), (1040, 63082), (2080, 31541)]