154438520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{29473}}^1$

素因数の和:29615

約数の個数: 32

約数和(自身を含む): 350151120

約数和(自身を除く): 195712600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 29473, 58946, 117892, 147365, 235784, 294730, 589460, 1178920, 3860963, 7721926, 15443852, 19304815, 30887704, 38609630, 77219260, 154438520]

約数ペア:

[(1, 154438520), (2, 77219260), (4, 38609630), (5, 30887704), (8, 19304815), (10, 15443852), (20, 7721926), (40, 3860963), (131, 1178920), (262, 589460), (524, 294730), (655, 235784), (1048, 147365), (1310, 117892), (2620, 58946), (5240, 29473)]