8863720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 21053520

約数和(自身を除く): 12189800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 113, 148, 185, 212, 226, 265, 296, 370, 424, 452, 530, 565, 740, 904, 1060, 1130, 1480, 1961, 2120, 2260, 3922, 4181, 4520, 5989, 7844, 8362, 9805, 11978, 15688, 16724, 19610, 20905, 23956, 29945, 33448, 39220, 41810, 47912, 59890, 78440, 83620, 119780, 167240, 221593, 239560, 443186, 886372, 1107965, 1772744, 2215930, 4431860, 8863720]

約数ペア:

[(1, 8863720), (2, 4431860), (4, 2215930), (5, 1772744), (8, 1107965), (10, 886372), (20, 443186), (37, 239560), (40, 221593), (53, 167240), (74, 119780), (106, 83620), (113, 78440), (148, 59890), (185, 47912), (212, 41810), (226, 39220), (265, 33448), (296, 29945), (370, 23956), (424, 20905), (452, 19610), (530, 16724), (565, 15688), (740, 11978), (904, 9805), (1060, 8362), (1130, 7844), (1480, 5989), (1961, 4520), (2120, 4181), (2260, 3922)]