25930880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 64039680

約数和(自身を除く): 38108800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1307, 1984, 2480, 2614, 3968, 4960, 5228, 6535, 9920, 10456, 13070, 19840, 20912, 26140, 40517, 41824, 52280, 81034, 83648, 104560, 162068, 167296, 202585, 209120, 324136, 405170, 418240, 648272, 810340, 836480, 1296544, 1620680, 2593088, 3241360, 5186176, 6482720, 12965440, 25930880]

約数ペア:

[(1, 25930880), (2, 12965440), (4, 6482720), (5, 5186176), (8, 3241360), (10, 2593088), (16, 1620680), (20, 1296544), (31, 836480), (32, 810340), (40, 648272), (62, 418240), (64, 405170), (80, 324136), (124, 209120), (128, 202585), (155, 167296), (160, 162068), (248, 104560), (310, 83648), (320, 81034), (496, 52280), (620, 41824), (640, 40517), (992, 26140), (1240, 20912), (1307, 19840), (1984, 13070), (2480, 10456), (2614, 9920), (3968, 6535), (4960, 5228)]