72668080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14891}}^1$

素因数の和:14965

約数の個数: 40

約数和(自身を含む): 171734544

約数和(自身を除く): 99066464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 14891, 29782, 59564, 74455, 119128, 148910, 238256, 297820, 595640, 908351, 1191280, 1816702, 3633404, 4541755, 7266808, 9083510, 14533616, 18167020, 36334040, 72668080]

約数ペア:

[(1, 72668080), (2, 36334040), (4, 18167020), (5, 14533616), (8, 9083510), (10, 7266808), (16, 4541755), (20, 3633404), (40, 1816702), (61, 1191280), (80, 908351), (122, 595640), (244, 297820), (305, 238256), (488, 148910), (610, 119128), (976, 74455), (1220, 59564), (2440, 29782), (4880, 14891)]