26685880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 70862400

約数和(自身を除く): 44176520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 37, 38, 40, 52, 65, 73, 74, 76, 95, 104, 130, 146, 148, 152, 185, 190, 247, 260, 292, 296, 365, 370, 380, 481, 494, 520, 584, 703, 730, 740, 760, 949, 962, 988, 1235, 1387, 1406, 1460, 1480, 1898, 1924, 1976, 2405, 2470, 2701, 2774, 2812, 2920, 3515, 3796, 3848, 4745, 4810, 4940, 5402, 5548, 5624, 6935, 7030, 7592, 9139, 9490, 9620, 9880, 10804, 11096, 13505, 13870, 14060, 18031, 18278, 18980, 19240, 21608, 27010, 27740, 28120, 35113, 36062, 36556, 37960, 45695, 51319, 54020, 55480, 70226, 72124, 73112, 90155, 91390, 102638, 108040, 140452, 144248, 175565, 180310, 182780, 205276, 256595, 280904, 351130, 360620, 365560, 410552, 513190, 667147, 702260, 721240, 1026380, 1334294, 1404520, 2052760, 2668588, 3335735, 5337176, 6671470, 13342940, 26685880]

約数ペア:

[(1, 26685880), (2, 13342940), (4, 6671470), (5, 5337176), (8, 3335735), (10, 2668588), (13, 2052760), (19, 1404520), (20, 1334294), (26, 1026380), (37, 721240), (38, 702260), (40, 667147), (52, 513190), (65, 410552), (73, 365560), (74, 360620), (76, 351130), (95, 280904), (104, 256595), (130, 205276), (146, 182780), (148, 180310), (152, 175565), (185, 144248), (190, 140452), (247, 108040), (260, 102638), (292, 91390), (296, 90155), (365, 73112), (370, 72124), (380, 70226), (481, 55480), (494, 54020), (520, 51319), (584, 45695), (703, 37960), (730, 36556), (740, 36062), (760, 35113), (949, 28120), (962, 27740), (988, 27010), (1235, 21608), (1387, 19240), (1406, 18980), (1460, 18278), (1480, 18031), (1898, 14060), (1924, 13870), (1976, 13505), (2405, 11096), (2470, 10804), (2701, 9880), (2774, 9620), (2812, 9490), (2920, 9139), (3515, 7592), (3796, 7030), (3848, 6935), (4745, 5624), (4810, 5548), (4940, 5402)]