159823120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117517}}^1$

素因数の和:117547

約数の個数: 40

約数和(自身を含む): 393450264

約数和(自身を除く): 233627144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 117517, 235034, 470068, 587585, 940136, 1175170, 1880272, 1997789, 2350340, 3995578, 4700680, 7991156, 9401360, 9988945, 15982312, 19977890, 31964624, 39955780, 79911560, 159823120]

約数ペア:

[(1, 159823120), (2, 79911560), (4, 39955780), (5, 31964624), (8, 19977890), (10, 15982312), (16, 9988945), (17, 9401360), (20, 7991156), (34, 4700680), (40, 3995578), (68, 2350340), (80, 1997789), (85, 1880272), (136, 1175170), (170, 940136), (272, 587585), (340, 470068), (680, 235034), (1360, 117517)]