38965760

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 80

約数和(自身を含む): 96636672

約数和(自身を除く): 57670912

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, 491, 496, 512, 620, 640, 982, 992, 1240, 1280, 1964, 1984, 2455, 2480, 2560, 3928, 3968, 4910, 4960, 7856, 7936, 9820, 9920, 15221, 15712, 15872, 19640, 19840, 30442, 31424, 39280, 39680, 60884, 62848, 76105, 78560, 79360, 121768, 125696, 152210, 157120, 243536, 251392, 304420, 314240, 487072, 608840, 628480, 974144, 1217680, 1256960, 1948288, 2435360, 3896576, 4870720, 7793152, 9741440, 19482880, 38965760]

約数ペア:

[(1, 38965760), (2, 19482880), (4, 9741440), (5, 7793152), (8, 4870720), (10, 3896576), (16, 2435360), (20, 1948288), (31, 1256960), (32, 1217680), (40, 974144), (62, 628480), (64, 608840), (80, 487072), (124, 314240), (128, 304420), (155, 251392), (160, 243536), (248, 157120), (256, 152210), (310, 125696), (320, 121768), (491, 79360), (496, 78560), (512, 76105), (620, 62848), (640, 60884), (982, 39680), (992, 39280), (1240, 31424), (1280, 30442), (1964, 19840), (1984, 19640), (2455, 15872), (2480, 15712), (2560, 15221), (3928, 9920), (3968, 9820), (4910, 7936), (4960, 7856)]