40986028520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{947873}}^1$

素因数の和:947954

約数の個数: 64

約数和(自身を含む): 98275576320

約数和(自身を除く): 57289547800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1880, 2162, 4324, 5405, 8648, 10810, 21620, 43240, 947873, 1895746, 3791492, 4739365, 7582984, 9478730, 18957460, 21801079, 37914920, 43602158, 44550031, 87204316, 89100062, 109005395, 174408632, 178200124, 218010790, 222750155, 356400248, 436021580, 445500310, 872043160, 891000620, 1024650713, 1782001240, 2049301426, 4098602852, 5123253565, 8197205704, 10246507130, 20493014260, 40986028520]

約数ペア:

[(1, 40986028520), (2, 20493014260), (4, 10246507130), (5, 8197205704), (8, 5123253565), (10, 4098602852), (20, 2049301426), (23, 1782001240), (40, 1024650713), (46, 891000620), (47, 872043160), (92, 445500310), (94, 436021580), (115, 356400248), (184, 222750155), (188, 218010790), (230, 178200124), (235, 174408632), (376, 109005395), (460, 89100062), (470, 87204316), (920, 44550031), (940, 43602158), (1081, 37914920), (1880, 21801079), (2162, 18957460), (4324, 9478730), (5405, 7582984), (8648, 4739365), (10810, 3791492), (21620, 1895746), (43240, 947873)]