25006720

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 61304040

約数和(自身を除く): 36297320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 953, 1312, 1640, 1906, 2624, 3280, 3812, 4765, 5248, 6560, 7624, 9530, 13120, 15248, 19060, 26240, 30496, 38120, 39073, 60992, 76240, 78146, 121984, 152480, 156292, 195365, 304960, 312584, 390730, 609920, 625168, 781460, 1250336, 1562920, 2500672, 3125840, 5001344, 6251680, 12503360, 25006720]

約数ペア:

[(1, 25006720), (2, 12503360), (4, 6251680), (5, 5001344), (8, 3125840), (10, 2500672), (16, 1562920), (20, 1250336), (32, 781460), (40, 625168), (41, 609920), (64, 390730), (80, 312584), (82, 304960), (128, 195365), (160, 156292), (164, 152480), (205, 121984), (320, 78146), (328, 76240), (410, 60992), (640, 39073), (656, 38120), (820, 30496), (953, 26240), (1312, 19060), (1640, 15248), (1906, 13120), (2624, 9530), (3280, 7624), (3812, 6560), (4765, 5248)]