99914240

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1313

約数の個数: 80

約数和(自身を含む): 247484160

約数和(自身を除く): 147569920

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, 512, 620, 640, 992, 1240, 1259, 1280, 1984, 2480, 2518, 2560, 3968, 4960, 5036, 6295, 7936, 9920, 10072, 12590, 15872, 19840, 20144, 25180, 39029, 39680, 40288, 50360, 78058, 79360, 80576, 100720, 156116, 161152, 195145, 201440, 312232, 322304, 390290, 402880, 624464, 644608, 780580, 805760, 1248928, 1561160, 1611520, 2497856, 3122320, 3223040, 4995712, 6244640, 9991424, 12489280, 19982848, 24978560, 49957120, 99914240]

約数ペア:

[(1, 99914240), (2, 49957120), (4, 24978560), (5, 19982848), (8, 12489280), (10, 9991424), (16, 6244640), (20, 4995712), (31, 3223040), (32, 3122320), (40, 2497856), (62, 1611520), (64, 1561160), (80, 1248928), (124, 805760), (128, 780580), (155, 644608), (160, 624464), (248, 402880), (256, 390290), (310, 322304), (320, 312232), (496, 201440), (512, 195145), (620, 161152), (640, 156116), (992, 100720), (1240, 80576), (1259, 79360), (1280, 78058), (1984, 50360), (2480, 40288), (2518, 39680), (2560, 39029), (3968, 25180), (4960, 20144), (5036, 19840), (6295, 15872), (7936, 12590), (9920, 10072)]