31797040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1618

約数の個数: 80

約数和(自身を含む): 84208896

約数和(自身を除く): 52411856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1571, 1840, 2024, 2530, 3142, 4048, 5060, 6284, 7855, 10120, 12568, 15710, 17281, 20240, 25136, 31420, 34562, 36133, 62840, 69124, 72266, 86405, 125680, 138248, 144532, 172810, 180665, 276496, 289064, 345620, 361330, 397463, 578128, 691240, 722660, 794926, 1382480, 1445320, 1589852, 1987315, 2890640, 3179704, 3974630, 6359408, 7949260, 15898520, 31797040]

約数ペア:

[(1, 31797040), (2, 15898520), (4, 7949260), (5, 6359408), (8, 3974630), (10, 3179704), (11, 2890640), (16, 1987315), (20, 1589852), (22, 1445320), (23, 1382480), (40, 794926), (44, 722660), (46, 691240), (55, 578128), (80, 397463), (88, 361330), (92, 345620), (110, 289064), (115, 276496), (176, 180665), (184, 172810), (220, 144532), (230, 138248), (253, 125680), (368, 86405), (440, 72266), (460, 69124), (506, 62840), (880, 36133), (920, 34562), (1012, 31420), (1265, 25136), (1571, 20240), (1840, 17281), (2024, 15710), (2530, 12568), (3142, 10120), (4048, 7855), (5060, 6284)]