28634769920

素因数分解:

$2^9\times 5^1\times {\mathrm{223}}^1\times {\mathrm{50159}}^1$

素因数の和:50405

約数の個数: 80

約数和(自身を含む): 68965585920

約数和(自身を除く): 40330816000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 446, 512, 640, 892, 1115, 1280, 1784, 2230, 2560, 3568, 4460, 7136, 8920, 14272, 17840, 28544, 35680, 50159, 57088, 71360, 100318, 114176, 142720, 200636, 250795, 285440, 401272, 501590, 570880, 802544, 1003180, 1605088, 2006360, 3210176, 4012720, 6420352, 8025440, 11185457, 12840704, 16050880, 22370914, 25681408, 32101760, 44741828, 55927285, 64203520, 89483656, 111854570, 128407040, 178967312, 223709140, 357934624, 447418280, 715869248, 894836560, 1431738496, 1789673120, 2863476992, 3579346240, 5726953984, 7158692480, 14317384960, 28634769920]

約数ペア:

[(1, 28634769920), (2, 14317384960), (4, 7158692480), (5, 5726953984), (8, 3579346240), (10, 2863476992), (16, 1789673120), (20, 1431738496), (32, 894836560), (40, 715869248), (64, 447418280), (80, 357934624), (128, 223709140), (160, 178967312), (223, 128407040), (256, 111854570), (320, 89483656), (446, 64203520), (512, 55927285), (640, 44741828), (892, 32101760), (1115, 25681408), (1280, 22370914), (1784, 16050880), (2230, 12840704), (2560, 11185457), (3568, 8025440), (4460, 6420352), (7136, 4012720), (8920, 3210176), (14272, 2006360), (17840, 1605088), (28544, 1003180), (35680, 802544), (50159, 570880), (57088, 501590), (71360, 401272), (100318, 285440), (114176, 250795), (142720, 200636)]