27716840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 66562560

約数和(自身を除く): 38845720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 641, 920, 940, 1081, 1282, 1880, 2162, 2564, 3205, 4324, 5128, 5405, 6410, 8648, 10810, 12820, 14743, 21620, 25640, 29486, 30127, 43240, 58972, 60254, 73715, 117944, 120508, 147430, 150635, 241016, 294860, 301270, 589720, 602540, 692921, 1205080, 1385842, 2771684, 3464605, 5543368, 6929210, 13858420, 27716840]

約数ペア:

[(1, 27716840), (2, 13858420), (4, 6929210), (5, 5543368), (8, 3464605), (10, 2771684), (20, 1385842), (23, 1205080), (40, 692921), (46, 602540), (47, 589720), (92, 301270), (94, 294860), (115, 241016), (184, 150635), (188, 147430), (230, 120508), (235, 117944), (376, 73715), (460, 60254), (470, 58972), (641, 43240), (920, 30127), (940, 29486), (1081, 25640), (1282, 21620), (1880, 14743), (2162, 12820), (2564, 10810), (3205, 8648), (4324, 6410), (5128, 5405)]