25304720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 68269440

約数和(自身を除く): 42964720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 619, 730, 1022, 1168, 1238, 1460, 2044, 2476, 2555, 2920, 3095, 4088, 4333, 4952, 5110, 5840, 6190, 8176, 8666, 9904, 10220, 12380, 17332, 20440, 21665, 24760, 34664, 40880, 43330, 45187, 49520, 69328, 86660, 90374, 173320, 180748, 225935, 316309, 346640, 361496, 451870, 632618, 722992, 903740, 1265236, 1581545, 1807480, 2530472, 3163090, 3614960, 5060944, 6326180, 12652360, 25304720]

約数ペア:

[(1, 25304720), (2, 12652360), (4, 6326180), (5, 5060944), (7, 3614960), (8, 3163090), (10, 2530472), (14, 1807480), (16, 1581545), (20, 1265236), (28, 903740), (35, 722992), (40, 632618), (56, 451870), (70, 361496), (73, 346640), (80, 316309), (112, 225935), (140, 180748), (146, 173320), (280, 90374), (292, 86660), (365, 69328), (511, 49520), (560, 45187), (584, 43330), (619, 40880), (730, 34664), (1022, 24760), (1168, 21665), (1238, 20440), (1460, 17332), (2044, 12380), (2476, 10220), (2555, 9904), (2920, 8666), (3095, 8176), (4088, 6190), (4333, 5840), (4952, 5110)]