25181200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 67808160

約数和(自身を除く): 42626960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 59, 80, 88, 97, 100, 110, 118, 176, 194, 200, 220, 236, 275, 295, 388, 400, 440, 472, 485, 550, 590, 649, 776, 880, 944, 970, 1067, 1100, 1180, 1298, 1475, 1552, 1940, 2134, 2200, 2360, 2425, 2596, 2950, 3245, 3880, 4268, 4400, 4720, 4850, 5192, 5335, 5723, 5900, 6490, 7760, 8536, 9700, 10384, 10670, 11446, 11800, 12980, 16225, 17072, 19400, 21340, 22892, 23600, 25960, 26675, 28615, 32450, 38800, 42680, 45784, 51920, 53350, 57230, 62953, 64900, 85360, 91568, 106700, 114460, 125906, 129800, 143075, 213400, 228920, 251812, 259600, 286150, 314765, 426800, 457840, 503624, 572300, 629530, 1007248, 1144600, 1259060, 1573825, 2289200, 2518120, 3147650, 5036240, 6295300, 12590600, 25181200]

約数ペア:

[(1, 25181200), (2, 12590600), (4, 6295300), (5, 5036240), (8, 3147650), (10, 2518120), (11, 2289200), (16, 1573825), (20, 1259060), (22, 1144600), (25, 1007248), (40, 629530), (44, 572300), (50, 503624), (55, 457840), (59, 426800), (80, 314765), (88, 286150), (97, 259600), (100, 251812), (110, 228920), (118, 213400), (176, 143075), (194, 129800), (200, 125906), (220, 114460), (236, 106700), (275, 91568), (295, 85360), (388, 64900), (400, 62953), (440, 57230), (472, 53350), (485, 51920), (550, 45784), (590, 42680), (649, 38800), (776, 32450), (880, 28615), (944, 26675), (970, 25960), (1067, 23600), (1100, 22892), (1180, 21340), (1298, 19400), (1475, 17072), (1552, 16225), (1940, 12980), (2134, 11800), (2200, 11446), (2360, 10670), (2425, 10384), (2596, 9700), (2950, 8536), (3245, 7760), (3880, 6490), (4268, 5900), (4400, 5723), (4720, 5335), (4850, 5192)]