16378340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{683}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 21542620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 683, 1090, 1199, 1366, 2180, 2398, 2732, 3415, 4796, 5995, 6830, 7513, 11990, 13660, 15026, 23980, 30052, 37565, 74447, 75130, 148894, 150260, 297788, 372235, 744470, 818917, 1488940, 1637834, 3275668, 4094585, 8189170, 16378340]

約数ペア:

[(1, 16378340), (2, 8189170), (4, 4094585), (5, 3275668), (10, 1637834), (11, 1488940), (20, 818917), (22, 744470), (44, 372235), (55, 297788), (109, 150260), (110, 148894), (218, 75130), (220, 74447), (436, 37565), (545, 30052), (683, 23980), (1090, 15026), (1199, 13660), (1366, 11990), (2180, 7513), (2398, 6830), (2732, 5995), (3415, 4796)]