25569440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 96

約数和(自身を含む): 68584320

約数和(自身を除く): 43014880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 647, 760, 988, 1040, 1235, 1294, 1520, 1976, 2080, 2470, 2588, 3040, 3235, 3952, 4940, 5176, 6470, 7904, 8411, 9880, 10352, 12293, 12940, 16822, 19760, 20704, 24586, 25880, 33644, 39520, 42055, 49172, 51760, 61465, 67288, 84110, 98344, 103520, 122930, 134576, 159809, 168220, 196688, 245860, 269152, 319618, 336440, 393376, 491720, 639236, 672880, 799045, 983440, 1278472, 1345760, 1598090, 1966880, 2556944, 3196180, 5113888, 6392360, 12784720, 25569440]

約数ペア:

[(1, 25569440), (2, 12784720), (4, 6392360), (5, 5113888), (8, 3196180), (10, 2556944), (13, 1966880), (16, 1598090), (19, 1345760), (20, 1278472), (26, 983440), (32, 799045), (38, 672880), (40, 639236), (52, 491720), (65, 393376), (76, 336440), (80, 319618), (95, 269152), (104, 245860), (130, 196688), (152, 168220), (160, 159809), (190, 134576), (208, 122930), (247, 103520), (260, 98344), (304, 84110), (380, 67288), (416, 61465), (494, 51760), (520, 49172), (608, 42055), (647, 39520), (760, 33644), (988, 25880), (1040, 24586), (1235, 20704), (1294, 19760), (1520, 16822), (1976, 12940), (2080, 12293), (2470, 10352), (2588, 9880), (3040, 8411), (3235, 7904), (3952, 6470), (4940, 5176)]