64844020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{683}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 140652288

約数和(自身を除く): 75808268

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 188, 202, 235, 404, 470, 505, 683, 940, 1010, 1366, 2020, 2732, 3415, 4747, 6830, 9494, 13660, 18988, 23735, 32101, 47470, 64202, 68983, 94940, 128404, 137966, 160505, 275932, 321010, 344915, 642020, 689830, 1379660, 3242201, 6484402, 12968804, 16211005, 32422010, 64844020]

約数ペア:

[(1, 64844020), (2, 32422010), (4, 16211005), (5, 12968804), (10, 6484402), (20, 3242201), (47, 1379660), (94, 689830), (101, 642020), (188, 344915), (202, 321010), (235, 275932), (404, 160505), (470, 137966), (505, 128404), (683, 94940), (940, 68983), (1010, 64202), (1366, 47470), (2020, 32101), (2732, 23735), (3415, 18988), (4747, 13660), (6830, 9494)]