2080872560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{86993}}^1$

素因数の和:87042

約数の個数: 80

約数和(自身を含む): 5436777024

約数和(自身を除く): 3355904464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 23920, 86993, 173986, 347972, 434965, 695944, 869930, 1130909, 1391888, 1739860, 2000839, 2261818, 3479720, 4001678, 4523636, 5654545, 6959440, 8003356, 9047272, 10004195, 11309090, 16006712, 18094544, 20008390, 22618180, 26010907, 32013424, 40016780, 45236360, 52021814, 80033560, 90472720, 104043628, 130054535, 160067120, 208087256, 260109070, 416174512, 520218140, 1040436280, 2080872560]

約数ペア:

[(1, 2080872560), (2, 1040436280), (4, 520218140), (5, 416174512), (8, 260109070), (10, 208087256), (13, 160067120), (16, 130054535), (20, 104043628), (23, 90472720), (26, 80033560), (40, 52021814), (46, 45236360), (52, 40016780), (65, 32013424), (80, 26010907), (92, 22618180), (104, 20008390), (115, 18094544), (130, 16006712), (184, 11309090), (208, 10004195), (230, 9047272), (260, 8003356), (299, 6959440), (368, 5654545), (460, 4523636), (520, 4001678), (598, 3479720), (920, 2261818), (1040, 2000839), (1196, 1739860), (1495, 1391888), (1840, 1130909), (2392, 869930), (2990, 695944), (4784, 434965), (5980, 347972), (11960, 173986), (23920, 86993)]