89340880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 217642320

約数和(自身を除く): 128301440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 97, 116, 145, 194, 232, 290, 388, 397, 464, 485, 580, 776, 794, 970, 1160, 1552, 1588, 1940, 1985, 2320, 2813, 3176, 3880, 3970, 5626, 6352, 7760, 7940, 11252, 11513, 14065, 15880, 22504, 23026, 28130, 31760, 38509, 45008, 46052, 56260, 57565, 77018, 92104, 112520, 115130, 154036, 184208, 192545, 225040, 230260, 308072, 385090, 460520, 616144, 770180, 921040, 1116761, 1540360, 2233522, 3080720, 4467044, 5583805, 8934088, 11167610, 17868176, 22335220, 44670440, 89340880]

約数ペア:

[(1, 89340880), (2, 44670440), (4, 22335220), (5, 17868176), (8, 11167610), (10, 8934088), (16, 5583805), (20, 4467044), (29, 3080720), (40, 2233522), (58, 1540360), (80, 1116761), (97, 921040), (116, 770180), (145, 616144), (194, 460520), (232, 385090), (290, 308072), (388, 230260), (397, 225040), (464, 192545), (485, 184208), (580, 154036), (776, 115130), (794, 112520), (970, 92104), (1160, 77018), (1552, 57565), (1588, 56260), (1940, 46052), (1985, 45008), (2320, 38509), (2813, 31760), (3176, 28130), (3880, 23026), (3970, 22504), (5626, 15880), (6352, 14065), (7760, 11513), (7940, 11252)]