51663340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 121492224

約数和(自身を除く): 69828884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 53, 61, 68, 85, 94, 106, 122, 170, 188, 212, 235, 244, 265, 305, 340, 470, 530, 610, 799, 901, 940, 1037, 1060, 1220, 1598, 1802, 2074, 2491, 2867, 3196, 3233, 3604, 3995, 4148, 4505, 4982, 5185, 5734, 6466, 7990, 9010, 9964, 10370, 11468, 12455, 12932, 14335, 15980, 16165, 18020, 20740, 24910, 28670, 32330, 42347, 48739, 49820, 54961, 57340, 64660, 84694, 97478, 109922, 151951, 169388, 194956, 211735, 219844, 243695, 274805, 303902, 423470, 487390, 549610, 607804, 759755, 846940, 974780, 1099220, 1519510, 2583167, 3039020, 5166334, 10332668, 12915835, 25831670, 51663340]

約数ペア:

[(1, 51663340), (2, 25831670), (4, 12915835), (5, 10332668), (10, 5166334), (17, 3039020), (20, 2583167), (34, 1519510), (47, 1099220), (53, 974780), (61, 846940), (68, 759755), (85, 607804), (94, 549610), (106, 487390), (122, 423470), (170, 303902), (188, 274805), (212, 243695), (235, 219844), (244, 211735), (265, 194956), (305, 169388), (340, 151951), (470, 109922), (530, 97478), (610, 84694), (799, 64660), (901, 57340), (940, 54961), (1037, 49820), (1060, 48739), (1220, 42347), (1598, 32330), (1802, 28670), (2074, 24910), (2491, 20740), (2867, 18020), (3196, 16165), (3233, 15980), (3604, 14335), (3995, 12932), (4148, 12455), (4505, 11468), (4982, 10370), (5185, 9964), (5734, 9010), (6466, 7990)]