40320256

素因数分解:

$2^8\times {\mathrm{239}}^1\times {\mathrm{659}}^1$

素因数の和:914

約数の個数: 36

約数和(自身を含む): 80942400

約数和(自身を除く): 40622144

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 256, 478, 659, 956, 1318, 1912, 2636, 3824, 5272, 7648, 10544, 15296, 21088, 30592, 42176, 61184, 84352, 157501, 168704, 315002, 630004, 1260008, 2520016, 5040032, 10080064, 20160128, 40320256]

約数ペア:

[(1, 40320256), (2, 20160128), (4, 10080064), (8, 5040032), (16, 2520016), (32, 1260008), (64, 630004), (128, 315002), (239, 168704), (256, 157501), (478, 84352), (659, 61184), (956, 42176), (1318, 30592), (1912, 21088), (2636, 15296), (3824, 10544), (5272, 7648)]