30249040

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3671}}^1$

素因数の和:3787

約数の個数: 40

約数和(自身を含む): 71031168

約数和(自身を除く): 40782128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 3671, 4120, 7342, 8240, 14684, 18355, 29368, 36710, 58736, 73420, 146840, 293680, 378113, 756226, 1512452, 1890565, 3024904, 3781130, 6049808, 7562260, 15124520, 30249040]

約数ペア:

[(1, 30249040), (2, 15124520), (4, 7562260), (5, 6049808), (8, 3781130), (10, 3024904), (16, 1890565), (20, 1512452), (40, 756226), (80, 378113), (103, 293680), (206, 146840), (412, 73420), (515, 58736), (824, 36710), (1030, 29368), (1648, 18355), (2060, 14684), (3671, 8240), (4120, 7342)]