78958160

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14731}}^1$

素因数の和:14811

約数の個数: 40

約数和(自身を含む): 186330336

約数和(自身を除く): 107372176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 14731, 29462, 58924, 73655, 117848, 147310, 235696, 294620, 589240, 986977, 1178480, 1973954, 3947908, 4934885, 7895816, 9869770, 15791632, 19739540, 39479080, 78958160]

約数ペア:

[(1, 78958160), (2, 39479080), (4, 19739540), (5, 15791632), (8, 9869770), (10, 7895816), (16, 4934885), (20, 3947908), (40, 1973954), (67, 1178480), (80, 986977), (134, 589240), (268, 294620), (335, 235696), (536, 147310), (670, 117848), (1072, 73655), (1340, 58924), (2680, 29462), (5360, 14731)]