66821800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 165223800

約数和(自身を除く): 98402000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 41, 50, 58, 82, 100, 116, 145, 164, 200, 205, 232, 281, 290, 328, 410, 562, 580, 725, 820, 1025, 1124, 1160, 1189, 1405, 1450, 1640, 2050, 2248, 2378, 2810, 2900, 4100, 4756, 5620, 5800, 5945, 7025, 8149, 8200, 9512, 11240, 11521, 11890, 14050, 16298, 23042, 23780, 28100, 29725, 32596, 40745, 46084, 47560, 56200, 57605, 59450, 65192, 81490, 92168, 115210, 118900, 162980, 203725, 230420, 237800, 288025, 325960, 334109, 407450, 460840, 576050, 668218, 814900, 1152100, 1336436, 1629800, 1670545, 2304200, 2672872, 3341090, 6682180, 8352725, 13364360, 16705450, 33410900, 66821800]

約数ペア:

[(1, 66821800), (2, 33410900), (4, 16705450), (5, 13364360), (8, 8352725), (10, 6682180), (20, 3341090), (25, 2672872), (29, 2304200), (40, 1670545), (41, 1629800), (50, 1336436), (58, 1152100), (82, 814900), (100, 668218), (116, 576050), (145, 460840), (164, 407450), (200, 334109), (205, 325960), (232, 288025), (281, 237800), (290, 230420), (328, 203725), (410, 162980), (562, 118900), (580, 115210), (725, 92168), (820, 81490), (1025, 65192), (1124, 59450), (1160, 57605), (1189, 56200), (1405, 47560), (1450, 46084), (1640, 40745), (2050, 32596), (2248, 29725), (2378, 28100), (2810, 23780), (2900, 23042), (4100, 16298), (4756, 14050), (5620, 11890), (5800, 11521), (5945, 11240), (7025, 9512), (8149, 8200)]