20213306500

素因数分解:

$2^2\times 5^3\times {\mathrm{179}}^1\times {\mathrm{449}}^1\times {\mathrm{503}}^1$

素因数の和:1150

約数の個数: 96

約数和(自身を含む): 44579808000

約数和(自身を除く): 24366501500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 179, 250, 358, 449, 500, 503, 716, 895, 898, 1006, 1790, 1796, 2012, 2245, 2515, 3580, 4475, 4490, 5030, 8950, 8980, 10060, 11225, 12575, 17900, 22375, 22450, 25150, 44750, 44900, 50300, 56125, 62875, 80371, 89500, 90037, 112250, 125750, 160742, 180074, 224500, 225847, 251500, 321484, 360148, 401855, 450185, 451694, 803710, 900370, 903388, 1129235, 1607420, 1800740, 2009275, 2250925, 2258470, 4018550, 4501850, 4516940, 5646175, 8037100, 9003700, 10046375, 11254625, 11292350, 20092750, 22509250, 22584700, 28230875, 40185500, 40426613, 45018500, 56461750, 80853226, 112923500, 161706452, 202133065, 404266130, 808532260, 1010665325, 2021330650, 4042661300, 5053326625, 10106653250, 20213306500]

約数ペア:

[(1, 20213306500), (2, 10106653250), (4, 5053326625), (5, 4042661300), (10, 2021330650), (20, 1010665325), (25, 808532260), (50, 404266130), (100, 202133065), (125, 161706452), (179, 112923500), (250, 80853226), (358, 56461750), (449, 45018500), (500, 40426613), (503, 40185500), (716, 28230875), (895, 22584700), (898, 22509250), (1006, 20092750), (1790, 11292350), (1796, 11254625), (2012, 10046375), (2245, 9003700), (2515, 8037100), (3580, 5646175), (4475, 4516940), (4490, 4501850), (5030, 4018550), (8950, 2258470), (8980, 2250925), (10060, 2009275), (11225, 1800740), (12575, 1607420), (17900, 1129235), (22375, 903388), (22450, 900370), (25150, 803710), (44750, 451694), (44900, 450185), (50300, 401855), (56125, 360148), (62875, 321484), (80371, 251500), (89500, 225847), (90037, 224500), (112250, 180074), (125750, 160742)]