38606420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 87794280

約数和(自身を除く): 49187860

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 89, 92, 115, 164, 178, 205, 230, 356, 410, 445, 460, 529, 820, 890, 943, 1058, 1780, 1886, 2047, 2116, 2645, 3649, 3772, 4094, 4715, 5290, 7298, 8188, 9430, 10235, 10580, 14596, 18245, 18860, 20470, 21689, 36490, 40940, 43378, 47081, 72980, 83927, 86756, 94162, 108445, 167854, 188324, 216890, 235405, 335708, 419635, 433780, 470810, 839270, 941620, 1678540, 1930321, 3860642, 7721284, 9651605, 19303210, 38606420]

約数ペア:

[(1, 38606420), (2, 19303210), (4, 9651605), (5, 7721284), (10, 3860642), (20, 1930321), (23, 1678540), (41, 941620), (46, 839270), (82, 470810), (89, 433780), (92, 419635), (115, 335708), (164, 235405), (178, 216890), (205, 188324), (230, 167854), (356, 108445), (410, 94162), (445, 86756), (460, 83927), (529, 72980), (820, 47081), (890, 43378), (943, 40940), (1058, 36490), (1780, 21689), (1886, 20470), (2047, 18860), (2116, 18245), (2645, 14596), (3649, 10580), (3772, 10235), (4094, 9430), (4715, 8188), (5290, 7298)]