5031280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 11901024

約数和(自身を除く): 6869744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1031, 1220, 2062, 2440, 4124, 4880, 5155, 8248, 10310, 16496, 20620, 41240, 62891, 82480, 125782, 251564, 314455, 503128, 628910, 1006256, 1257820, 2515640, 5031280]

約数ペア:

[(1, 5031280), (2, 2515640), (4, 1257820), (5, 1006256), (8, 628910), (10, 503128), (16, 314455), (20, 251564), (40, 125782), (61, 82480), (80, 62891), (122, 41240), (244, 20620), (305, 16496), (488, 10310), (610, 8248), (976, 5155), (1031, 4880), (1220, 4124), (2062, 2440)]