19548816880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{20873}}^1$

素因数の和:21418

約数の個数: 80

約数和(自身を含む): 47522583360

約数和(自身を除く): 27973766480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 509, 920, 1018, 1840, 2036, 2545, 4072, 5090, 8144, 10180, 11707, 20360, 20873, 23414, 40720, 41746, 46828, 58535, 83492, 93656, 104365, 117070, 166984, 187312, 208730, 234140, 333968, 417460, 468280, 480079, 834920, 936560, 960158, 1669840, 1920316, 2400395, 3840632, 4800790, 7681264, 9601580, 10624357, 19203160, 21248714, 38406320, 42497428, 53121785, 84994856, 106243570, 169989712, 212487140, 244360211, 424974280, 488720422, 849948560, 977440844, 1221801055, 1954881688, 2443602110, 3909763376, 4887204220, 9774408440, 19548816880]

約数ペア:

[(1, 19548816880), (2, 9774408440), (4, 4887204220), (5, 3909763376), (8, 2443602110), (10, 1954881688), (16, 1221801055), (20, 977440844), (23, 849948560), (40, 488720422), (46, 424974280), (80, 244360211), (92, 212487140), (115, 169989712), (184, 106243570), (230, 84994856), (368, 53121785), (460, 42497428), (509, 38406320), (920, 21248714), (1018, 19203160), (1840, 10624357), (2036, 9601580), (2545, 7681264), (4072, 4800790), (5090, 3840632), (8144, 2400395), (10180, 1920316), (11707, 1669840), (20360, 960158), (20873, 936560), (23414, 834920), (40720, 480079), (41746, 468280), (46828, 417460), (58535, 333968), (83492, 234140), (93656, 208730), (104365, 187312), (117070, 166984)]