19792880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 49711104

約数和(自身を除く): 29918224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 347, 368, 460, 496, 620, 694, 713, 920, 1240, 1388, 1426, 1735, 1840, 2480, 2776, 2852, 3470, 3565, 5552, 5704, 6940, 7130, 7981, 10757, 11408, 13880, 14260, 15962, 21514, 27760, 28520, 31924, 39905, 43028, 53785, 57040, 63848, 79810, 86056, 107570, 127696, 159620, 172112, 215140, 247411, 319240, 430280, 494822, 638480, 860560, 989644, 1237055, 1979288, 2474110, 3958576, 4948220, 9896440, 19792880]

約数ペア:

[(1, 19792880), (2, 9896440), (4, 4948220), (5, 3958576), (8, 2474110), (10, 1979288), (16, 1237055), (20, 989644), (23, 860560), (31, 638480), (40, 494822), (46, 430280), (62, 319240), (80, 247411), (92, 215140), (115, 172112), (124, 159620), (155, 127696), (184, 107570), (230, 86056), (248, 79810), (310, 63848), (347, 57040), (368, 53785), (460, 43028), (496, 39905), (620, 31924), (694, 28520), (713, 27760), (920, 21514), (1240, 15962), (1388, 14260), (1426, 13880), (1735, 11408), (1840, 10757), (2480, 7981), (2776, 7130), (2852, 6940), (3470, 5704), (3565, 5552)]