13063420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 28576800

約数和(自身を除く): 15513380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 179, 205, 356, 358, 410, 445, 716, 820, 890, 895, 1780, 1790, 3580, 3649, 7298, 7339, 14596, 14678, 15931, 18245, 29356, 31862, 36490, 36695, 63724, 72980, 73390, 79655, 146780, 159310, 318620, 653171, 1306342, 2612684, 3265855, 6531710, 13063420]

約数ペア:

[(1, 13063420), (2, 6531710), (4, 3265855), (5, 2612684), (10, 1306342), (20, 653171), (41, 318620), (82, 159310), (89, 146780), (164, 79655), (178, 73390), (179, 72980), (205, 63724), (356, 36695), (358, 36490), (410, 31862), (445, 29356), (716, 18245), (820, 15931), (890, 14678), (895, 14596), (1780, 7339), (1790, 7298), (3580, 3649)]