71087960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57329}}^1$

素因数の和:57371

約数の個数: 32

約数和(自身を含む): 165110400

約数和(自身を除く): 94022440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57329, 114658, 229316, 286645, 458632, 573290, 1146580, 1777199, 2293160, 3554398, 7108796, 8885995, 14217592, 17771990, 35543980, 71087960]

約数ペア:

[(1, 71087960), (2, 35543980), (4, 17771990), (5, 14217592), (8, 8885995), (10, 7108796), (20, 3554398), (31, 2293160), (40, 1777199), (62, 1146580), (124, 573290), (155, 458632), (248, 286645), (310, 229316), (620, 114658), (1240, 57329)]