79840210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 146966400

約数和(自身を除く): 67126190

約数列:

[1, 2, 5, 10, 71, 139, 142, 278, 355, 695, 710, 809, 1390, 1618, 4045, 8090, 9869, 19738, 49345, 57439, 98690, 112451, 114878, 224902, 287195, 562255, 574390, 1124510, 7984021, 15968042, 39920105, 79840210]

約数ペア:

[(1, 79840210), (2, 39920105), (5, 15968042), (10, 7984021), (71, 1124510), (139, 574390), (142, 562255), (278, 287195), (355, 224902), (695, 114878), (710, 112451), (809, 98690), (1390, 57439), (1618, 49345), (4045, 19738), (8090, 9869)]