42518840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11681}}^1$

素因数の和:11712

約数の個数: 64

約数和(自身を含む): 117754560

約数和(自身を除く): 75235720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 11681, 23362, 46724, 58405, 81767, 93448, 116810, 151853, 163534, 233620, 303706, 327068, 408835, 467240, 607412, 654136, 759265, 817670, 1062971, 1214824, 1518530, 1635340, 2125942, 3037060, 3270680, 4251884, 5314855, 6074120, 8503768, 10629710, 21259420, 42518840]

約数ペア:

[(1, 42518840), (2, 21259420), (4, 10629710), (5, 8503768), (7, 6074120), (8, 5314855), (10, 4251884), (13, 3270680), (14, 3037060), (20, 2125942), (26, 1635340), (28, 1518530), (35, 1214824), (40, 1062971), (52, 817670), (56, 759265), (65, 654136), (70, 607412), (91, 467240), (104, 408835), (130, 327068), (140, 303706), (182, 233620), (260, 163534), (280, 151853), (364, 116810), (455, 93448), (520, 81767), (728, 58405), (910, 46724), (1820, 23362), (3640, 11681)]