12973840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 34390656

約数和(自身を除く): 21416816

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, 641, 880, 920, 1012, 1265, 1282, 1840, 2024, 2530, 2564, 3205, 4048, 5060, 5128, 6410, 7051, 10120, 10256, 12820, 14102, 14743, 20240, 25640, 28204, 29486, 35255, 51280, 56408, 58972, 70510, 73715, 112816, 117944, 141020, 147430, 162173, 235888, 282040, 294860, 324346, 564080, 589720, 648692, 810865, 1179440, 1297384, 1621730, 2594768, 3243460, 6486920, 12973840]

約数ペア:

[(1, 12973840), (2, 6486920), (4, 3243460), (5, 2594768), (8, 1621730), (10, 1297384), (11, 1179440), (16, 810865), (20, 648692), (22, 589720), (23, 564080), (40, 324346), (44, 294860), (46, 282040), (55, 235888), (80, 162173), (88, 147430), (92, 141020), (110, 117944), (115, 112816), (176, 73715), (184, 70510), (220, 58972), (230, 56408), (253, 51280), (368, 35255), (440, 29486), (460, 28204), (506, 25640), (641, 20240), (880, 14743), (920, 14102), (1012, 12820), (1265, 10256), (1282, 10120), (1840, 7051), (2024, 6410), (2530, 5128), (2564, 5060), (3205, 4048)]