844509440

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21283}}^1$

素因数の和:21335

約数の個数: 72

約数和(自身を含む): 2088215808

約数和(自身を除く): 1243706368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 21283, 39680, 42566, 85132, 106415, 170264, 212830, 340528, 425660, 659773, 681056, 851320, 1319546, 1362112, 1702640, 2639092, 2724224, 3298865, 3405280, 5278184, 5448448, 6597730, 6810560, 10556368, 13195460, 13621120, 21112736, 26390920, 27242240, 42225472, 52781840, 84450944, 105563680, 168901888, 211127360, 422254720, 844509440]

約数ペア:

[(1, 844509440), (2, 422254720), (4, 211127360), (5, 168901888), (8, 105563680), (10, 84450944), (16, 52781840), (20, 42225472), (31, 27242240), (32, 26390920), (40, 21112736), (62, 13621120), (64, 13195460), (80, 10556368), (124, 6810560), (128, 6597730), (155, 5448448), (160, 5278184), (248, 3405280), (256, 3298865), (310, 2724224), (320, 2639092), (496, 1702640), (620, 1362112), (640, 1319546), (992, 851320), (1240, 681056), (1280, 659773), (1984, 425660), (2480, 340528), (3968, 212830), (4960, 170264), (7936, 106415), (9920, 85132), (19840, 42566), (21283, 39680)]