23750540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 55067040

約数和(自身を除く): 31316500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1213, 1780, 1958, 2426, 3916, 4852, 4895, 6065, 9790, 12130, 13343, 19580, 24260, 26686, 53372, 66715, 107957, 133430, 215914, 266860, 431828, 539785, 1079570, 1187527, 2159140, 2375054, 4750108, 5937635, 11875270, 23750540]

約数ペア:

[(1, 23750540), (2, 11875270), (4, 5937635), (5, 4750108), (10, 2375054), (11, 2159140), (20, 1187527), (22, 1079570), (44, 539785), (55, 431828), (89, 266860), (110, 215914), (178, 133430), (220, 107957), (356, 66715), (445, 53372), (890, 26686), (979, 24260), (1213, 19580), (1780, 13343), (1958, 12130), (2426, 9790), (3916, 6065), (4852, 4895)]