49135780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{8501}}^1$

素因数の和:8544

約数の個数: 36

約数和(自身を含む): 109624788

約数和(自身を除く): 60489008

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 8501, 17002, 34004, 42505, 85010, 144517, 170020, 289034, 578068, 722585, 1445170, 2456789, 2890340, 4913578, 9827156, 12283945, 24567890, 49135780]

約数ペア:

[(1, 49135780), (2, 24567890), (4, 12283945), (5, 9827156), (10, 4913578), (17, 2890340), (20, 2456789), (34, 1445170), (68, 722585), (85, 578068), (170, 289034), (289, 170020), (340, 144517), (578, 85010), (1156, 42505), (1445, 34004), (2890, 17002), (5780, 8501)]