72888040

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{7561}}^1$

素因数の和:7813

約数の個数: 32

約数和(自身を含む): 164700360

約数和(自身を除く): 91812320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 7561, 9640, 15122, 30244, 37805, 60488, 75610, 151220, 302440, 1822201, 3644402, 7288804, 9111005, 14577608, 18222010, 36444020, 72888040]

約数ペア:

[(1, 72888040), (2, 36444020), (4, 18222010), (5, 14577608), (8, 9111005), (10, 7288804), (20, 3644402), (40, 1822201), (241, 302440), (482, 151220), (964, 75610), (1205, 60488), (1928, 37805), (2410, 30244), (4820, 15122), (7561, 9640)]