109483280

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7561}}^1$

素因数の和:7755

約数の個数: 40

約数和(自身を含む): 255988824

約数和(自身を除く): 146505544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 7561, 14480, 15122, 30244, 37805, 60488, 75610, 120976, 151220, 302440, 604880, 1368541, 2737082, 5474164, 6842705, 10948328, 13685410, 21896656, 27370820, 54741640, 109483280]

約数ペア:

[(1, 109483280), (2, 54741640), (4, 27370820), (5, 21896656), (8, 13685410), (10, 10948328), (16, 6842705), (20, 5474164), (40, 2737082), (80, 1368541), (181, 604880), (362, 302440), (724, 151220), (905, 120976), (1448, 75610), (1810, 60488), (2896, 37805), (3620, 30244), (7240, 15122), (7561, 14480)]