38937620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1801}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 87187968

約数和(自身を除く): 48250348

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1801, 2162, 3602, 4324, 5405, 7204, 9005, 10810, 18010, 21620, 36020, 41423, 82846, 84647, 165692, 169294, 207115, 338588, 414230, 423235, 828460, 846470, 1692940, 1946881, 3893762, 7787524, 9734405, 19468810, 38937620]

約数ペア:

[(1, 38937620), (2, 19468810), (4, 9734405), (5, 7787524), (10, 3893762), (20, 1946881), (23, 1692940), (46, 846470), (47, 828460), (92, 423235), (94, 414230), (115, 338588), (188, 207115), (230, 169294), (235, 165692), (460, 84647), (470, 82846), (940, 41423), (1081, 36020), (1801, 21620), (2162, 18010), (3602, 10810), (4324, 9005), (5405, 7204)]