72379760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22067}}^1$

素因数の和:22121

約数の個数: 40

約数和(自身を含む): 172395216

約数和(自身を除く): 100015456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 22067, 44134, 88268, 110335, 176536, 220670, 353072, 441340, 882680, 904747, 1765360, 1809494, 3618988, 4523735, 7237976, 9047470, 14475952, 18094940, 36189880, 72379760]

約数ペア:

[(1, 72379760), (2, 36189880), (4, 18094940), (5, 14475952), (8, 9047470), (10, 7237976), (16, 4523735), (20, 3618988), (40, 1809494), (41, 1765360), (80, 904747), (82, 882680), (164, 441340), (205, 353072), (328, 220670), (410, 176536), (656, 110335), (820, 88268), (1640, 44134), (3280, 22067)]