19560853720

素因数分解:

$2^3\times 5^1\times {\mathrm{3547}}^1\times {\mathrm{137869}}^1$

素因数の和:141427

約数の個数: 32

約数和(自身を含む): 44024648400

約数和(自身を除く): 24463794680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3547, 7094, 14188, 17735, 28376, 35470, 70940, 137869, 141880, 275738, 551476, 689345, 1102952, 1378690, 2757380, 5514760, 489021343, 978042686, 1956085372, 2445106715, 3912170744, 4890213430, 9780426860, 19560853720]

約数ペア:

[(1, 19560853720), (2, 9780426860), (4, 4890213430), (5, 3912170744), (8, 2445106715), (10, 1956085372), (20, 978042686), (40, 489021343), (3547, 5514760), (7094, 2757380), (14188, 1378690), (17735, 1102952), (28376, 689345), (35470, 551476), (70940, 275738), (137869, 141880)]