20123773280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{95791}}^1$

素因数の和:95920

約数の個数: 96

約数和(自身を含む): 51706988928

約数和(自身を除く): 31583215648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 101, 104, 130, 160, 202, 208, 260, 404, 416, 505, 520, 808, 1010, 1040, 1313, 1616, 2020, 2080, 2626, 3232, 4040, 5252, 6565, 8080, 10504, 13130, 16160, 21008, 26260, 42016, 52520, 95791, 105040, 191582, 210080, 383164, 478955, 766328, 957910, 1245283, 1532656, 1915820, 2490566, 3065312, 3831640, 4981132, 6226415, 7663280, 9674891, 9962264, 12452830, 15326560, 19349782, 19924528, 24905660, 38699564, 39849056, 48374455, 49811320, 77399128, 96748910, 99622640, 125773583, 154798256, 193497820, 199245280, 251547166, 309596512, 386995640, 503094332, 628867915, 773991280, 1006188664, 1257735830, 1547982560, 2012377328, 2515471660, 4024754656, 5030943320, 10061886640, 20123773280]

約数ペア:

[(1, 20123773280), (2, 10061886640), (4, 5030943320), (5, 4024754656), (8, 2515471660), (10, 2012377328), (13, 1547982560), (16, 1257735830), (20, 1006188664), (26, 773991280), (32, 628867915), (40, 503094332), (52, 386995640), (65, 309596512), (80, 251547166), (101, 199245280), (104, 193497820), (130, 154798256), (160, 125773583), (202, 99622640), (208, 96748910), (260, 77399128), (404, 49811320), (416, 48374455), (505, 39849056), (520, 38699564), (808, 24905660), (1010, 19924528), (1040, 19349782), (1313, 15326560), (1616, 12452830), (2020, 9962264), (2080, 9674891), (2626, 7663280), (3232, 6226415), (4040, 4981132), (5252, 3831640), (6565, 3065312), (8080, 2490566), (10504, 1915820), (13130, 1532656), (16160, 1245283), (21008, 957910), (26260, 766328), (42016, 478955), (52520, 383164), (95791, 210080), (105040, 191582)]