22771540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 52799040

約数和(自身を除く): 30027500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1163, 1780, 1958, 2326, 3916, 4652, 4895, 5815, 9790, 11630, 12793, 19580, 23260, 25586, 51172, 63965, 103507, 127930, 207014, 255860, 414028, 517535, 1035070, 1138577, 2070140, 2277154, 4554308, 5692885, 11385770, 22771540]

約数ペア:

[(1, 22771540), (2, 11385770), (4, 5692885), (5, 4554308), (10, 2277154), (11, 2070140), (20, 1138577), (22, 1035070), (44, 517535), (55, 414028), (89, 255860), (110, 207014), (178, 127930), (220, 103507), (356, 63965), (445, 51172), (890, 25586), (979, 23260), (1163, 19580), (1780, 12793), (1958, 11630), (2326, 9790), (3916, 5815), (4652, 4895)]