79999360

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{2551}}^1$

素因数の和:2584

約数の個数: 96

約数和(自身を含む): 222559920

約数和(自身を除く): 142560560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 2551, 3136, 3920, 4480, 5102, 6272, 7840, 10204, 12755, 15680, 17857, 20408, 25510, 31360, 35714, 40816, 51020, 71428, 81632, 89285, 102040, 124999, 142856, 163264, 178570, 204080, 249998, 285712, 326528, 357140, 408160, 499996, 571424, 624995, 714280, 816320, 999992, 1142848, 1249990, 1428560, 1632640, 1999984, 2285696, 2499980, 2857120, 3999968, 4999960, 5714240, 7999936, 9999920, 11428480, 15999872, 19999840, 39999680, 79999360]

約数ペア:

[(1, 79999360), (2, 39999680), (4, 19999840), (5, 15999872), (7, 11428480), (8, 9999920), (10, 7999936), (14, 5714240), (16, 4999960), (20, 3999968), (28, 2857120), (32, 2499980), (35, 2285696), (40, 1999984), (49, 1632640), (56, 1428560), (64, 1249990), (70, 1142848), (80, 999992), (98, 816320), (112, 714280), (128, 624995), (140, 571424), (160, 499996), (196, 408160), (224, 357140), (245, 326528), (280, 285712), (320, 249998), (392, 204080), (448, 178570), (490, 163264), (560, 142856), (640, 124999), (784, 102040), (896, 89285), (980, 81632), (1120, 71428), (1568, 51020), (1960, 40816), (2240, 35714), (2551, 31360), (3136, 25510), (3920, 20408), (4480, 17857), (5102, 15680), (6272, 12755), (7840, 10204)]