16857880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1907}}^1$

素因数の和:1948

約数の個数: 64

約数和(自身を含む): 43273440

約数和(自身を除く): 26415560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 1907, 2210, 3814, 4420, 7628, 8840, 9535, 15256, 19070, 24791, 32419, 38140, 49582, 64838, 76280, 99164, 123955, 129676, 162095, 198328, 247910, 259352, 324190, 421447, 495820, 648380, 842894, 991640, 1296760, 1685788, 2107235, 3371576, 4214470, 8428940, 16857880]

約数ペア:

[(1, 16857880), (2, 8428940), (4, 4214470), (5, 3371576), (8, 2107235), (10, 1685788), (13, 1296760), (17, 991640), (20, 842894), (26, 648380), (34, 495820), (40, 421447), (52, 324190), (65, 259352), (68, 247910), (85, 198328), (104, 162095), (130, 129676), (136, 123955), (170, 99164), (221, 76280), (260, 64838), (340, 49582), (442, 38140), (520, 32419), (680, 24791), (884, 19070), (1105, 15256), (1768, 9535), (1907, 8840), (2210, 7628), (3814, 4420)]