40873280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 112

約数和(自身を含む): 113239296

約数和(自身を除く): 72366016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 257, 280, 284, 320, 355, 448, 497, 514, 560, 568, 710, 994, 1028, 1120, 1136, 1285, 1420, 1799, 1988, 2056, 2240, 2272, 2485, 2570, 2840, 3598, 3976, 4112, 4544, 4970, 5140, 5680, 7196, 7952, 8224, 8995, 9940, 10280, 11360, 14392, 15904, 16448, 17990, 18247, 19880, 20560, 22720, 28784, 31808, 35980, 36494, 39760, 41120, 57568, 71960, 72988, 79520, 82240, 91235, 115136, 127729, 143920, 145976, 159040, 182470, 255458, 287840, 291952, 364940, 510916, 575680, 583904, 638645, 729880, 1021832, 1167808, 1277290, 1459760, 2043664, 2554580, 2919520, 4087328, 5109160, 5839040, 8174656, 10218320, 20436640, 40873280]

約数ペア:

[(1, 40873280), (2, 20436640), (4, 10218320), (5, 8174656), (7, 5839040), (8, 5109160), (10, 4087328), (14, 2919520), (16, 2554580), (20, 2043664), (28, 1459760), (32, 1277290), (35, 1167808), (40, 1021832), (56, 729880), (64, 638645), (70, 583904), (71, 575680), (80, 510916), (112, 364940), (140, 291952), (142, 287840), (160, 255458), (224, 182470), (257, 159040), (280, 145976), (284, 143920), (320, 127729), (355, 115136), (448, 91235), (497, 82240), (514, 79520), (560, 72988), (568, 71960), (710, 57568), (994, 41120), (1028, 39760), (1120, 36494), (1136, 35980), (1285, 31808), (1420, 28784), (1799, 22720), (1988, 20560), (2056, 19880), (2240, 18247), (2272, 17990), (2485, 16448), (2570, 15904), (2840, 14392), (3598, 11360), (3976, 10280), (4112, 9940), (4544, 8995), (4970, 8224), (5140, 7952), (5680, 7196)]