4063640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 10920960

約数和(自身を除く): 6857320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 631, 644, 805, 920, 1262, 1288, 1610, 2524, 3155, 3220, 4417, 5048, 6310, 6440, 8834, 12620, 14513, 17668, 22085, 25240, 29026, 35336, 44170, 58052, 72565, 88340, 101591, 116104, 145130, 176680, 203182, 290260, 406364, 507955, 580520, 812728, 1015910, 2031820, 4063640]

約数ペア:

[(1, 4063640), (2, 2031820), (4, 1015910), (5, 812728), (7, 580520), (8, 507955), (10, 406364), (14, 290260), (20, 203182), (23, 176680), (28, 145130), (35, 116104), (40, 101591), (46, 88340), (56, 72565), (70, 58052), (92, 44170), (115, 35336), (140, 29026), (161, 25240), (184, 22085), (230, 17668), (280, 14513), (322, 12620), (460, 8834), (631, 6440), (644, 6310), (805, 5048), (920, 4417), (1262, 3220), (1288, 3155), (1610, 2524)]