15616880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11483}}^1$

素因数の和:11513

約数の個数: 40

約数和(自身を含む): 38448432

約数和(自身を除く): 22831552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11483, 22966, 45932, 57415, 91864, 114830, 183728, 195211, 229660, 390422, 459320, 780844, 918640, 976055, 1561688, 1952110, 3123376, 3904220, 7808440, 15616880]

約数ペア:

[(1, 15616880), (2, 7808440), (4, 3904220), (5, 3123376), (8, 1952110), (10, 1561688), (16, 976055), (17, 918640), (20, 780844), (34, 459320), (40, 390422), (68, 229660), (80, 195211), (85, 183728), (136, 114830), (170, 91864), (272, 57415), (340, 45932), (680, 22966), (1360, 11483)]