15799420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8681}}^1$

素因数の和:8710

約数の個数: 48

約数和(自身を含む): 40840128

約数和(自身を除く): 25040708

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 8681, 17362, 34724, 43405, 60767, 86810, 112853, 121534, 173620, 225706, 243068, 303835, 451412, 564265, 607670, 789971, 1128530, 1215340, 1579942, 2257060, 3159884, 3949855, 7899710, 15799420]

約数ペア:

[(1, 15799420), (2, 7899710), (4, 3949855), (5, 3159884), (7, 2257060), (10, 1579942), (13, 1215340), (14, 1128530), (20, 789971), (26, 607670), (28, 564265), (35, 451412), (52, 303835), (65, 243068), (70, 225706), (91, 173620), (130, 121534), (140, 112853), (182, 86810), (260, 60767), (364, 43405), (455, 34724), (910, 17362), (1820, 8681)]