80471744

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2065

約数の個数: 56

約数和(自身を含む): 173736000

約数和(自身を除く): 93264256

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 136, 148, 272, 296, 544, 592, 629, 1088, 1184, 1258, 1999, 2368, 2516, 3998, 5032, 7996, 10064, 15992, 20128, 31984, 33983, 40256, 63968, 67966, 73963, 127936, 135932, 147926, 271864, 295852, 543728, 591704, 1087456, 1183408, 1257371, 2174912, 2366816, 2514742, 4733632, 5029484, 10058968, 20117936, 40235872, 80471744]

約数ペア:

[(1, 80471744), (2, 40235872), (4, 20117936), (8, 10058968), (16, 5029484), (17, 4733632), (32, 2514742), (34, 2366816), (37, 2174912), (64, 1257371), (68, 1183408), (74, 1087456), (136, 591704), (148, 543728), (272, 295852), (296, 271864), (544, 147926), (592, 135932), (629, 127936), (1088, 73963), (1184, 67966), (1258, 63968), (1999, 40256), (2368, 33983), (2516, 31984), (3998, 20128), (5032, 15992), (7996, 10064)]