71034640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28643}}^1$

素因数の和:28687

約数の個数: 40

約数和(自身を含む): 170489088

約数和(自身を除く): 99454448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28643, 57286, 114572, 143215, 229144, 286430, 458288, 572860, 887933, 1145720, 1775866, 2291440, 3551732, 4439665, 7103464, 8879330, 14206928, 17758660, 35517320, 71034640]

約数ペア:

[(1, 71034640), (2, 35517320), (4, 17758660), (5, 14206928), (8, 8879330), (10, 7103464), (16, 4439665), (20, 3551732), (31, 2291440), (40, 1775866), (62, 1145720), (80, 887933), (124, 572860), (155, 458288), (248, 286430), (310, 229144), (496, 143215), (620, 114572), (1240, 57286), (2480, 28643)]