19599440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1180

約数の個数: 80

約数和(自身を含む): 53806080

約数和(自身を除く): 34206640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1129, 1240, 1736, 2170, 2258, 2480, 3472, 4340, 4516, 5645, 7903, 8680, 9032, 11290, 15806, 17360, 18064, 22580, 31612, 34999, 39515, 45160, 63224, 69998, 79030, 90320, 126448, 139996, 158060, 174995, 244993, 279992, 316120, 349990, 489986, 559984, 632240, 699980, 979972, 1224965, 1399960, 1959944, 2449930, 2799920, 3919888, 4899860, 9799720, 19599440]

約数ペア:

[(1, 19599440), (2, 9799720), (4, 4899860), (5, 3919888), (7, 2799920), (8, 2449930), (10, 1959944), (14, 1399960), (16, 1224965), (20, 979972), (28, 699980), (31, 632240), (35, 559984), (40, 489986), (56, 349990), (62, 316120), (70, 279992), (80, 244993), (112, 174995), (124, 158060), (140, 139996), (155, 126448), (217, 90320), (248, 79030), (280, 69998), (310, 63224), (434, 45160), (496, 39515), (560, 34999), (620, 31612), (868, 22580), (1085, 18064), (1129, 17360), (1240, 15806), (1736, 11290), (2170, 9032), (2258, 8680), (2480, 7903), (3472, 5645), (4340, 4516)]