81280670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{7013}}^1$

素因数の和:7100

約数の個数: 32

約数和(自身を含む): 156552480

約数和(自身を除く): 75271810

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 5795, 7013, 11590, 14026, 35065, 70130, 133247, 266494, 427793, 666235, 855586, 1332470, 2138965, 4277930, 8128067, 16256134, 40640335, 81280670]

約数ペア:

[(1, 81280670), (2, 40640335), (5, 16256134), (10, 8128067), (19, 4277930), (38, 2138965), (61, 1332470), (95, 855586), (122, 666235), (190, 427793), (305, 266494), (610, 133247), (1159, 70130), (2318, 35065), (5795, 14026), (7013, 11590)]