40791040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 88

約数和(自身を含む): 101400192

約数和(自身を除く): 60609152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 257, 310, 320, 496, 512, 514, 620, 640, 992, 1024, 1028, 1240, 1280, 1285, 1984, 2056, 2480, 2560, 2570, 3968, 4112, 4960, 5120, 5140, 7936, 7967, 8224, 9920, 10280, 15872, 15934, 16448, 19840, 20560, 31744, 31868, 32896, 39680, 39835, 41120, 63736, 65792, 79360, 79670, 82240, 127472, 131584, 158720, 159340, 164480, 254944, 263168, 318680, 328960, 509888, 637360, 657920, 1019776, 1274720, 1315840, 2039552, 2549440, 4079104, 5098880, 8158208, 10197760, 20395520, 40791040]

約数ペア:

[(1, 40791040), (2, 20395520), (4, 10197760), (5, 8158208), (8, 5098880), (10, 4079104), (16, 2549440), (20, 2039552), (31, 1315840), (32, 1274720), (40, 1019776), (62, 657920), (64, 637360), (80, 509888), (124, 328960), (128, 318680), (155, 263168), (160, 254944), (248, 164480), (256, 159340), (257, 158720), (310, 131584), (320, 127472), (496, 82240), (512, 79670), (514, 79360), (620, 65792), (640, 63736), (992, 41120), (1024, 39835), (1028, 39680), (1240, 32896), (1280, 31868), (1285, 31744), (1984, 20560), (2056, 19840), (2480, 16448), (2560, 15934), (2570, 15872), (3968, 10280), (4112, 9920), (4960, 8224), (5120, 7967), (5140, 7936)]