40702640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2011}}^1$

素因数の和:2058

約数の個数: 80

約数和(自身を含む): 107778816

約数和(自身を除く): 67076176

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, 1840, 2011, 2024, 2530, 4022, 4048, 5060, 8044, 10055, 10120, 16088, 20110, 20240, 22121, 32176, 40220, 44242, 46253, 80440, 88484, 92506, 110605, 160880, 176968, 185012, 221210, 231265, 353936, 370024, 442420, 462530, 508783, 740048, 884840, 925060, 1017566, 1769680, 1850120, 2035132, 2543915, 3700240, 4070264, 5087830, 8140528, 10175660, 20351320, 40702640]

約数ペア:

[(1, 40702640), (2, 20351320), (4, 10175660), (5, 8140528), (8, 5087830), (10, 4070264), (11, 3700240), (16, 2543915), (20, 2035132), (22, 1850120), (23, 1769680), (40, 1017566), (44, 925060), (46, 884840), (55, 740048), (80, 508783), (88, 462530), (92, 442420), (110, 370024), (115, 353936), (176, 231265), (184, 221210), (220, 185012), (230, 176968), (253, 160880), (368, 110605), (440, 92506), (460, 88484), (506, 80440), (880, 46253), (920, 44242), (1012, 40220), (1265, 32176), (1840, 22121), (2011, 20240), (2024, 20110), (2530, 16088), (4022, 10120), (4048, 10055), (5060, 8044)]