51545780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 129548160

約数和(自身を除く): 78002380

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 67, 110, 130, 134, 143, 220, 260, 268, 269, 286, 335, 538, 572, 670, 715, 737, 871, 1076, 1340, 1345, 1430, 1474, 1742, 2690, 2860, 2948, 2959, 3484, 3497, 3685, 4355, 5380, 5918, 6994, 7370, 8710, 9581, 11836, 13988, 14740, 14795, 17420, 17485, 18023, 19162, 29590, 34970, 36046, 38324, 38467, 47905, 59180, 69940, 72092, 76934, 90115, 95810, 153868, 180230, 191620, 192335, 198253, 234299, 360460, 384670, 396506, 468598, 769340, 793012, 937196, 991265, 1171495, 1982530, 2342990, 2577289, 3965060, 4685980, 5154578, 10309156, 12886445, 25772890, 51545780]

約数ペア:

[(1, 51545780), (2, 25772890), (4, 12886445), (5, 10309156), (10, 5154578), (11, 4685980), (13, 3965060), (20, 2577289), (22, 2342990), (26, 1982530), (44, 1171495), (52, 991265), (55, 937196), (65, 793012), (67, 769340), (110, 468598), (130, 396506), (134, 384670), (143, 360460), (220, 234299), (260, 198253), (268, 192335), (269, 191620), (286, 180230), (335, 153868), (538, 95810), (572, 90115), (670, 76934), (715, 72092), (737, 69940), (871, 59180), (1076, 47905), (1340, 38467), (1345, 38324), (1430, 36046), (1474, 34970), (1742, 29590), (2690, 19162), (2860, 18023), (2948, 17485), (2959, 17420), (3484, 14795), (3497, 14740), (3685, 13988), (4355, 11836), (5380, 9581), (5918, 8710), (6994, 7370)]