72472880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14851}}^1$

素因数の和:14925

約数の個数: 40

約数和(自身を含む): 171273264

約数和(自身を除く): 98800384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 14851, 29702, 59404, 74255, 118808, 148510, 237616, 297020, 594040, 905911, 1188080, 1811822, 3623644, 4529555, 7247288, 9059110, 14494576, 18118220, 36236440, 72472880]

約数ペア:

[(1, 72472880), (2, 36236440), (4, 18118220), (5, 14494576), (8, 9059110), (10, 7247288), (16, 4529555), (20, 3623644), (40, 1811822), (61, 1188080), (80, 905911), (122, 594040), (244, 297020), (305, 237616), (488, 148510), (610, 118808), (976, 74255), (1220, 59404), (2440, 29702), (4880, 14851)]