19590800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 51755616

約数和(自身を除く): 32164816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 43, 50, 67, 68, 80, 85, 86, 100, 134, 136, 170, 172, 200, 215, 268, 272, 335, 340, 344, 400, 425, 430, 536, 670, 680, 688, 731, 850, 860, 1072, 1075, 1139, 1340, 1360, 1462, 1675, 1700, 1720, 2150, 2278, 2680, 2881, 2924, 3350, 3400, 3440, 3655, 4300, 4556, 5360, 5695, 5762, 5848, 6700, 6800, 7310, 8600, 9112, 11390, 11524, 11696, 13400, 14405, 14620, 17200, 18224, 18275, 22780, 23048, 26800, 28475, 28810, 29240, 36550, 45560, 46096, 48977, 56950, 57620, 58480, 72025, 73100, 91120, 97954, 113900, 115240, 144050, 146200, 195908, 227800, 230480, 244885, 288100, 292400, 391816, 455600, 489770, 576200, 783632, 979540, 1152400, 1224425, 1959080, 2448850, 3918160, 4897700, 9795400, 19590800]

約数ペア:

[(1, 19590800), (2, 9795400), (4, 4897700), (5, 3918160), (8, 2448850), (10, 1959080), (16, 1224425), (17, 1152400), (20, 979540), (25, 783632), (34, 576200), (40, 489770), (43, 455600), (50, 391816), (67, 292400), (68, 288100), (80, 244885), (85, 230480), (86, 227800), (100, 195908), (134, 146200), (136, 144050), (170, 115240), (172, 113900), (200, 97954), (215, 91120), (268, 73100), (272, 72025), (335, 58480), (340, 57620), (344, 56950), (400, 48977), (425, 46096), (430, 45560), (536, 36550), (670, 29240), (680, 28810), (688, 28475), (731, 26800), (850, 23048), (860, 22780), (1072, 18275), (1075, 18224), (1139, 17200), (1340, 14620), (1360, 14405), (1462, 13400), (1675, 11696), (1700, 11524), (1720, 11390), (2150, 9112), (2278, 8600), (2680, 7310), (2881, 6800), (2924, 6700), (3350, 5848), (3400, 5762), (3440, 5695), (3655, 5360), (4300, 4556)]