27942440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 37375960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 167, 178, 188, 235, 334, 356, 376, 445, 470, 668, 712, 835, 890, 940, 1336, 1670, 1780, 1880, 3340, 3560, 4183, 6680, 7849, 8366, 14863, 15698, 16732, 20915, 29726, 31396, 33464, 39245, 41830, 59452, 62792, 74315, 78490, 83660, 118904, 148630, 156980, 167320, 297260, 313960, 594520, 698561, 1397122, 2794244, 3492805, 5588488, 6985610, 13971220, 27942440]

約数ペア:

[(1, 27942440), (2, 13971220), (4, 6985610), (5, 5588488), (8, 3492805), (10, 2794244), (20, 1397122), (40, 698561), (47, 594520), (89, 313960), (94, 297260), (167, 167320), (178, 156980), (188, 148630), (235, 118904), (334, 83660), (356, 78490), (376, 74315), (445, 62792), (470, 59452), (668, 41830), (712, 39245), (835, 33464), (890, 31396), (940, 29726), (1336, 20915), (1670, 16732), (1780, 15698), (1880, 14863), (3340, 8366), (3560, 7849), (4183, 6680)]