40864144

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 81300600

約数和(自身を除く): 40436456

約数列:

[1, 2, 4, 8, 16, 61, 122, 149, 244, 281, 298, 488, 562, 596, 976, 1124, 1192, 2248, 2384, 4496, 9089, 17141, 18178, 34282, 36356, 41869, 68564, 72712, 83738, 137128, 145424, 167476, 274256, 334952, 669904, 2554009, 5108018, 10216036, 20432072, 40864144]

約数ペア:

[(1, 40864144), (2, 20432072), (4, 10216036), (8, 5108018), (16, 2554009), (61, 669904), (122, 334952), (149, 274256), (244, 167476), (281, 145424), (298, 137128), (488, 83738), (562, 72712), (596, 68564), (976, 41869), (1124, 36356), (1192, 34282), (2248, 18178), (2384, 17141), (4496, 9089)]