80304880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32381}}^1$

素因数の和:32425

約数の個数: 40

約数和(自身を含む): 192737664

約数和(自身を除く): 112432784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32381, 64762, 129524, 161905, 259048, 323810, 518096, 647620, 1003811, 1295240, 2007622, 2590480, 4015244, 5019055, 8030488, 10038110, 16060976, 20076220, 40152440, 80304880]

約数ペア:

[(1, 80304880), (2, 40152440), (4, 20076220), (5, 16060976), (8, 10038110), (10, 8030488), (16, 5019055), (20, 4015244), (31, 2590480), (40, 2007622), (62, 1295240), (80, 1003811), (124, 647620), (155, 518096), (248, 323810), (310, 259048), (496, 161905), (620, 129524), (1240, 64762), (2480, 32381)]