31093040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 79950240

約数和(自身を除く): 48857200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 397, 440, 445, 712, 794, 880, 890, 979, 1424, 1588, 1780, 1958, 1985, 3176, 3560, 3916, 3970, 4367, 4895, 6352, 7120, 7832, 7940, 8734, 9790, 15664, 15880, 17468, 19580, 21835, 31760, 34936, 35333, 39160, 43670, 69872, 70666, 78320, 87340, 141332, 174680, 176665, 282664, 349360, 353330, 388663, 565328, 706660, 777326, 1413320, 1554652, 1943315, 2826640, 3109304, 3886630, 6218608, 7773260, 15546520, 31093040]

約数ペア:

[(1, 31093040), (2, 15546520), (4, 7773260), (5, 6218608), (8, 3886630), (10, 3109304), (11, 2826640), (16, 1943315), (20, 1554652), (22, 1413320), (40, 777326), (44, 706660), (55, 565328), (80, 388663), (88, 353330), (89, 349360), (110, 282664), (176, 176665), (178, 174680), (220, 141332), (356, 87340), (397, 78320), (440, 70666), (445, 69872), (712, 43670), (794, 39160), (880, 35333), (890, 34936), (979, 31760), (1424, 21835), (1588, 19580), (1780, 17468), (1958, 15880), (1985, 15664), (3176, 9790), (3560, 8734), (3916, 7940), (3970, 7832), (4367, 7120), (4895, 6352)]