25957640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 62985600

約数和(自身を除く): 37027960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 647, 680, 1003, 1180, 1294, 2006, 2360, 2588, 3235, 4012, 5015, 5176, 6470, 8024, 10030, 10999, 12940, 20060, 21998, 25880, 38173, 40120, 43996, 54995, 76346, 87992, 109990, 152692, 190865, 219980, 305384, 381730, 439960, 648941, 763460, 1297882, 1526920, 2595764, 3244705, 5191528, 6489410, 12978820, 25957640]

約数ペア:

[(1, 25957640), (2, 12978820), (4, 6489410), (5, 5191528), (8, 3244705), (10, 2595764), (17, 1526920), (20, 1297882), (34, 763460), (40, 648941), (59, 439960), (68, 381730), (85, 305384), (118, 219980), (136, 190865), (170, 152692), (236, 109990), (295, 87992), (340, 76346), (472, 54995), (590, 43996), (647, 40120), (680, 38173), (1003, 25880), (1180, 21998), (1294, 20060), (2006, 12940), (2360, 10999), (2588, 10030), (3235, 8024), (4012, 6470), (5015, 5176)]