25546240

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:627

約数の個数: 80

約数和(自身を含む): 64964592

約数和(自身を除く): 39418352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 587, 640, 680, 1088, 1174, 1280, 1360, 2176, 2348, 2560, 2720, 2935, 4352, 4696, 5440, 5870, 8704, 9392, 9979, 10880, 11740, 18784, 19958, 21760, 23480, 37568, 39916, 43520, 46960, 49895, 75136, 79832, 93920, 99790, 150272, 159664, 187840, 199580, 300544, 319328, 375680, 399160, 638656, 751360, 798320, 1277312, 1502720, 1596640, 2554624, 3193280, 5109248, 6386560, 12773120, 25546240]

約数ペア:

[(1, 25546240), (2, 12773120), (4, 6386560), (5, 5109248), (8, 3193280), (10, 2554624), (16, 1596640), (17, 1502720), (20, 1277312), (32, 798320), (34, 751360), (40, 638656), (64, 399160), (68, 375680), (80, 319328), (85, 300544), (128, 199580), (136, 187840), (160, 159664), (170, 150272), (256, 99790), (272, 93920), (320, 79832), (340, 75136), (512, 49895), (544, 46960), (587, 43520), (640, 39916), (680, 37568), (1088, 23480), (1174, 21760), (1280, 19958), (1360, 18784), (2176, 11740), (2348, 10880), (2560, 9979), (2720, 9392), (2935, 8704), (4352, 5870), (4696, 5440)]