2039299720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{19753}}^1$

素因数の和:19882

約数の個数: 64

約数和(自身を含む): 4800222000

約数和(自身を除く): 2760922280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 178, 232, 290, 356, 445, 580, 712, 890, 1160, 1780, 2581, 3560, 5162, 10324, 12905, 19753, 20648, 25810, 39506, 51620, 79012, 98765, 103240, 158024, 197530, 395060, 572837, 790120, 1145674, 1758017, 2291348, 2864185, 3516034, 4582696, 5728370, 7032068, 8790085, 11456740, 14064136, 17580170, 22913480, 35160340, 50982493, 70320680, 101964986, 203929972, 254912465, 407859944, 509824930, 1019649860, 2039299720]

約数ペア:

[(1, 2039299720), (2, 1019649860), (4, 509824930), (5, 407859944), (8, 254912465), (10, 203929972), (20, 101964986), (29, 70320680), (40, 50982493), (58, 35160340), (89, 22913480), (116, 17580170), (145, 14064136), (178, 11456740), (232, 8790085), (290, 7032068), (356, 5728370), (445, 4582696), (580, 3516034), (712, 2864185), (890, 2291348), (1160, 1758017), (1780, 1145674), (2581, 790120), (3560, 572837), (5162, 395060), (10324, 197530), (12905, 158024), (19753, 103240), (20648, 98765), (25810, 79012), (39506, 51620)]