2816041880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{21379}}^1$

素因数の和:21516

約数の個数: 64

約数和(自身を含む): 6580764000

約数和(自身を除く): 3764722120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 89, 148, 178, 185, 296, 356, 370, 445, 712, 740, 890, 1480, 1780, 3293, 3560, 6586, 13172, 16465, 21379, 26344, 32930, 42758, 65860, 85516, 106895, 131720, 171032, 213790, 427580, 791023, 855160, 1582046, 1902731, 3164092, 3805462, 3955115, 6328184, 7610924, 7910230, 9513655, 15221848, 15820460, 19027310, 31640920, 38054620, 70401047, 76109240, 140802094, 281604188, 352005235, 563208376, 704010470, 1408020940, 2816041880]

約数ペア:

[(1, 2816041880), (2, 1408020940), (4, 704010470), (5, 563208376), (8, 352005235), (10, 281604188), (20, 140802094), (37, 76109240), (40, 70401047), (74, 38054620), (89, 31640920), (148, 19027310), (178, 15820460), (185, 15221848), (296, 9513655), (356, 7910230), (370, 7610924), (445, 6328184), (712, 3955115), (740, 3805462), (890, 3164092), (1480, 1902731), (1780, 1582046), (3293, 855160), (3560, 791023), (6586, 427580), (13172, 213790), (16465, 171032), (21379, 131720), (26344, 106895), (32930, 85516), (42758, 65860)]