47287760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1176

約数の個数: 80

約数和(自身を含む): 121398480

約数和(自身を除く): 74110720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1109, 1640, 2132, 2218, 2665, 3280, 4264, 4436, 5330, 5545, 8528, 8872, 10660, 11090, 14417, 17744, 21320, 22180, 28834, 42640, 44360, 45469, 57668, 72085, 88720, 90938, 115336, 144170, 181876, 227345, 230672, 288340, 363752, 454690, 576680, 591097, 727504, 909380, 1153360, 1182194, 1818760, 2364388, 2955485, 3637520, 4728776, 5910970, 9457552, 11821940, 23643880, 47287760]

約数ペア:

[(1, 47287760), (2, 23643880), (4, 11821940), (5, 9457552), (8, 5910970), (10, 4728776), (13, 3637520), (16, 2955485), (20, 2364388), (26, 1818760), (40, 1182194), (41, 1153360), (52, 909380), (65, 727504), (80, 591097), (82, 576680), (104, 454690), (130, 363752), (164, 288340), (205, 230672), (208, 227345), (260, 181876), (328, 144170), (410, 115336), (520, 90938), (533, 88720), (656, 72085), (820, 57668), (1040, 45469), (1066, 44360), (1109, 42640), (1640, 28834), (2132, 22180), (2218, 21320), (2665, 17744), (3280, 14417), (4264, 11090), (4436, 10660), (5330, 8872), (5545, 8528)]