26728720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 66089520

約数和(自身を除く): 39360800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 281, 290, 328, 410, 464, 562, 580, 656, 820, 1124, 1160, 1189, 1405, 1640, 2248, 2320, 2378, 2810, 3280, 4496, 4756, 5620, 5945, 8149, 9512, 11240, 11521, 11890, 16298, 19024, 22480, 23042, 23780, 32596, 40745, 46084, 47560, 57605, 65192, 81490, 92168, 95120, 115210, 130384, 162980, 184336, 230420, 325960, 334109, 460840, 651920, 668218, 921680, 1336436, 1670545, 2672872, 3341090, 5345744, 6682180, 13364360, 26728720]

約数ペア:

[(1, 26728720), (2, 13364360), (4, 6682180), (5, 5345744), (8, 3341090), (10, 2672872), (16, 1670545), (20, 1336436), (29, 921680), (40, 668218), (41, 651920), (58, 460840), (80, 334109), (82, 325960), (116, 230420), (145, 184336), (164, 162980), (205, 130384), (232, 115210), (281, 95120), (290, 92168), (328, 81490), (410, 65192), (464, 57605), (562, 47560), (580, 46084), (656, 40745), (820, 32596), (1124, 23780), (1160, 23042), (1189, 22480), (1405, 19024), (1640, 16298), (2248, 11890), (2320, 11521), (2378, 11240), (2810, 9512), (3280, 8149), (4496, 5945), (4756, 5620)]