27944440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 67132800

約数和(自身を除く): 39188360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 443, 664, 760, 830, 886, 1577, 1660, 1772, 2215, 3154, 3320, 3544, 4430, 6308, 7885, 8417, 8860, 12616, 15770, 16834, 17720, 31540, 33668, 36769, 42085, 63080, 67336, 73538, 84170, 147076, 168340, 183845, 294152, 336680, 367690, 698611, 735380, 1397222, 1470760, 2794444, 3493055, 5588888, 6986110, 13972220, 27944440]

約数ペア:

[(1, 27944440), (2, 13972220), (4, 6986110), (5, 5588888), (8, 3493055), (10, 2794444), (19, 1470760), (20, 1397222), (38, 735380), (40, 698611), (76, 367690), (83, 336680), (95, 294152), (152, 183845), (166, 168340), (190, 147076), (332, 84170), (380, 73538), (415, 67336), (443, 63080), (664, 42085), (760, 36769), (830, 33668), (886, 31540), (1577, 17720), (1660, 16834), (1772, 15770), (2215, 12616), (3154, 8860), (3320, 8417), (3544, 7885), (4430, 6308)]