55872040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{521}}^1$

素因数の和:922

約数の個数: 64

約数和(自身を含む): 144322560

約数和(自身を除く): 88450520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 521, 766, 1042, 1532, 1915, 2084, 2605, 2681, 3064, 3647, 3830, 4168, 5210, 5362, 7294, 7660, 10420, 10724, 13405, 14588, 15320, 18235, 20840, 21448, 26810, 29176, 36470, 53620, 72940, 107240, 145880, 199543, 399086, 798172, 997715, 1396801, 1596344, 1995430, 2793602, 3990860, 5587204, 6984005, 7981720, 11174408, 13968010, 27936020, 55872040]

約数ペア:

[(1, 55872040), (2, 27936020), (4, 13968010), (5, 11174408), (7, 7981720), (8, 6984005), (10, 5587204), (14, 3990860), (20, 2793602), (28, 1995430), (35, 1596344), (40, 1396801), (56, 997715), (70, 798172), (140, 399086), (280, 199543), (383, 145880), (521, 107240), (766, 72940), (1042, 53620), (1532, 36470), (1915, 29176), (2084, 26810), (2605, 21448), (2681, 20840), (3064, 18235), (3647, 15320), (3830, 14588), (4168, 13405), (5210, 10724), (5362, 10420), (7294, 7660)]