42661780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13249}}^1$

素因数の和:13288

約数の個数: 48

約数和(自身を含む): 106848000

約数和(自身を除く): 64186220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 13249, 26498, 52996, 66245, 92743, 132490, 185486, 264980, 304727, 370972, 463715, 609454, 927430, 1218908, 1523635, 1854860, 2133089, 3047270, 4266178, 6094540, 8532356, 10665445, 21330890, 42661780]

約数ペア:

[(1, 42661780), (2, 21330890), (4, 10665445), (5, 8532356), (7, 6094540), (10, 4266178), (14, 3047270), (20, 2133089), (23, 1854860), (28, 1523635), (35, 1218908), (46, 927430), (70, 609454), (92, 463715), (115, 370972), (140, 304727), (161, 264980), (230, 185486), (322, 132490), (460, 92743), (644, 66245), (805, 52996), (1610, 26498), (3220, 13249)]