30947440

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2953}}^1$

素因数の和:3097

約数の個数: 40

約数和(自身を含む): 72526608

約数和(自身を除く): 41579168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 2953, 5240, 5906, 10480, 11812, 14765, 23624, 29530, 47248, 59060, 118120, 236240, 386843, 773686, 1547372, 1934215, 3094744, 3868430, 6189488, 7736860, 15473720, 30947440]

約数ペア:

[(1, 30947440), (2, 15473720), (4, 7736860), (5, 6189488), (8, 3868430), (10, 3094744), (16, 1934215), (20, 1547372), (40, 773686), (80, 386843), (131, 236240), (262, 118120), (524, 59060), (655, 47248), (1048, 29530), (1310, 23624), (2096, 14765), (2620, 11812), (2953, 10480), (5240, 5906)]