643785920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118343}}^1$

素因数の和:118377

約数の個数: 56

約数和(自身を含む): 1623206304

約数和(自身を除く): 979420384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 118343, 236686, 473372, 591715, 946744, 1183430, 1893488, 2011831, 2366860, 3786976, 4023662, 4733720, 7573952, 8047324, 9467440, 10059155, 16094648, 18934880, 20118310, 32189296, 37869760, 40236620, 64378592, 80473240, 128757184, 160946480, 321892960, 643785920]

約数ペア:

[(1, 643785920), (2, 321892960), (4, 160946480), (5, 128757184), (8, 80473240), (10, 64378592), (16, 40236620), (17, 37869760), (20, 32189296), (32, 20118310), (34, 18934880), (40, 16094648), (64, 10059155), (68, 9467440), (80, 8047324), (85, 7573952), (136, 4733720), (160, 4023662), (170, 3786976), (272, 2366860), (320, 2011831), (340, 1893488), (544, 1183430), (680, 946744), (1088, 591715), (1360, 473372), (2720, 236686), (5440, 118343)]