26989880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2089}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 67716000

約数和(自身を除く): 40726120

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2089, 2584, 3230, 4178, 6460, 8356, 10445, 12920, 16712, 20890, 35513, 39691, 41780, 71026, 79382, 83560, 142052, 158764, 177565, 198455, 284104, 317528, 355130, 396910, 674747, 710260, 793820, 1349494, 1420520, 1587640, 2698988, 3373735, 5397976, 6747470, 13494940, 26989880]

約数ペア:

[(1, 26989880), (2, 13494940), (4, 6747470), (5, 5397976), (8, 3373735), (10, 2698988), (17, 1587640), (19, 1420520), (20, 1349494), (34, 793820), (38, 710260), (40, 674747), (68, 396910), (76, 355130), (85, 317528), (95, 284104), (136, 198455), (152, 177565), (170, 158764), (190, 142052), (323, 83560), (340, 79382), (380, 71026), (646, 41780), (680, 39691), (760, 35513), (1292, 20890), (1615, 16712), (2089, 12920), (2584, 10445), (3230, 8356), (4178, 6460)]