28816720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12421}}^1$

素因数の和:12463

約数の個数: 40

約数和(自身を含む): 69314760

約数和(自身を除く): 40498040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 12421, 24842, 49684, 62105, 99368, 124210, 198736, 248420, 360209, 496840, 720418, 993680, 1440836, 1801045, 2881672, 3602090, 5763344, 7204180, 14408360, 28816720]

約数ペア:

[(1, 28816720), (2, 14408360), (4, 7204180), (5, 5763344), (8, 3602090), (10, 2881672), (16, 1801045), (20, 1440836), (29, 993680), (40, 720418), (58, 496840), (80, 360209), (116, 248420), (145, 198736), (232, 124210), (290, 99368), (464, 62105), (580, 49684), (1160, 24842), (2320, 12421)]