51576640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 112

約数和(自身を含む): 137160000

約数和(自身を除く): 85583360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 380, 499, 544, 608, 646, 680, 760, 998, 1088, 1216, 1292, 1360, 1520, 1615, 1996, 2495, 2584, 2720, 3040, 3230, 3992, 4990, 5168, 5440, 6080, 6460, 7984, 8483, 9481, 9980, 10336, 12920, 15968, 16966, 18962, 19960, 20672, 25840, 31936, 33932, 37924, 39920, 42415, 47405, 51680, 67864, 75848, 79840, 84830, 94810, 103360, 135728, 151696, 159680, 161177, 169660, 189620, 271456, 303392, 322354, 339320, 379240, 542912, 606784, 644708, 678640, 758480, 805885, 1289416, 1357280, 1516960, 1611770, 2578832, 2714560, 3033920, 3223540, 5157664, 6447080, 10315328, 12894160, 25788320, 51576640]

約数ペア:

[(1, 51576640), (2, 25788320), (4, 12894160), (5, 10315328), (8, 6447080), (10, 5157664), (16, 3223540), (17, 3033920), (19, 2714560), (20, 2578832), (32, 1611770), (34, 1516960), (38, 1357280), (40, 1289416), (64, 805885), (68, 758480), (76, 678640), (80, 644708), (85, 606784), (95, 542912), (136, 379240), (152, 339320), (160, 322354), (170, 303392), (190, 271456), (272, 189620), (304, 169660), (320, 161177), (323, 159680), (340, 151696), (380, 135728), (499, 103360), (544, 94810), (608, 84830), (646, 79840), (680, 75848), (760, 67864), (998, 51680), (1088, 47405), (1216, 42415), (1292, 39920), (1360, 37924), (1520, 33932), (1615, 31936), (1996, 25840), (2495, 20672), (2584, 19960), (2720, 18962), (3040, 16966), (3230, 15968), (3992, 12920), (4990, 10336), (5168, 9980), (5440, 9481), (6080, 8483), (6460, 7984)]