40720128

素因数分解:

$2^8\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1433}}^1$

素因数の和:1489

約数の個数: 72

約数和(自身を含む): 111381648

約数和(自身を除く): 70661520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 296, 384, 444, 592, 768, 888, 1184, 1433, 1776, 2368, 2866, 3552, 4299, 4736, 5732, 7104, 8598, 9472, 11464, 14208, 17196, 22928, 28416, 34392, 45856, 53021, 68784, 91712, 106042, 137568, 159063, 183424, 212084, 275136, 318126, 366848, 424168, 550272, 636252, 848336, 1100544, 1272504, 1696672, 2545008, 3393344, 5090016, 6786688, 10180032, 13573376, 20360064, 40720128]

約数ペア:

[(1, 40720128), (2, 20360064), (3, 13573376), (4, 10180032), (6, 6786688), (8, 5090016), (12, 3393344), (16, 2545008), (24, 1696672), (32, 1272504), (37, 1100544), (48, 848336), (64, 636252), (74, 550272), (96, 424168), (111, 366848), (128, 318126), (148, 275136), (192, 212084), (222, 183424), (256, 159063), (296, 137568), (384, 106042), (444, 91712), (592, 68784), (768, 53021), (888, 45856), (1184, 34392), (1433, 28416), (1776, 22928), (2368, 17196), (2866, 14208), (3552, 11464), (4299, 9472), (4736, 8598), (5732, 7104)]