82029520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 198268560

約数和(自身を除く): 116239040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 89, 164, 178, 205, 281, 328, 356, 410, 445, 562, 656, 712, 820, 890, 1124, 1405, 1424, 1640, 1780, 2248, 2810, 3280, 3560, 3649, 4496, 5620, 7120, 7298, 11240, 11521, 14596, 18245, 22480, 23042, 25009, 29192, 36490, 46084, 50018, 57605, 58384, 72980, 92168, 100036, 115210, 125045, 145960, 184336, 200072, 230420, 250090, 291920, 400144, 460840, 500180, 921680, 1000360, 1025369, 2000720, 2050738, 4101476, 5126845, 8202952, 10253690, 16405904, 20507380, 41014760, 82029520]

約数ペア:

[(1, 82029520), (2, 41014760), (4, 20507380), (5, 16405904), (8, 10253690), (10, 8202952), (16, 5126845), (20, 4101476), (40, 2050738), (41, 2000720), (80, 1025369), (82, 1000360), (89, 921680), (164, 500180), (178, 460840), (205, 400144), (281, 291920), (328, 250090), (356, 230420), (410, 200072), (445, 184336), (562, 145960), (656, 125045), (712, 115210), (820, 100036), (890, 92168), (1124, 72980), (1405, 58384), (1424, 57605), (1640, 50018), (1780, 46084), (2248, 36490), (2810, 29192), (3280, 25009), (3560, 23042), (3649, 22480), (4496, 18245), (5620, 14596), (7120, 11521), (7298, 11240)]