40806920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13249}}^1$

素因数の和:13278

約数の個数: 64

約数和(自身を含む): 114480000

約数和(自身を除く): 73673080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 13249, 26498, 52996, 66245, 92743, 105992, 132490, 145739, 185486, 264980, 291478, 370972, 463715, 529960, 582956, 728695, 741944, 927430, 1020173, 1165912, 1457390, 1854860, 2040346, 2914780, 3709720, 4080692, 5100865, 5829560, 8161384, 10201730, 20403460, 40806920]

約数ペア:

[(1, 40806920), (2, 20403460), (4, 10201730), (5, 8161384), (7, 5829560), (8, 5100865), (10, 4080692), (11, 3709720), (14, 2914780), (20, 2040346), (22, 1854860), (28, 1457390), (35, 1165912), (40, 1020173), (44, 927430), (55, 741944), (56, 728695), (70, 582956), (77, 529960), (88, 463715), (110, 370972), (140, 291478), (154, 264980), (220, 185486), (280, 145739), (308, 132490), (385, 105992), (440, 92743), (616, 66245), (770, 52996), (1540, 26498), (3080, 13249)]