26911820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 61598880

約数和(自身を除く): 34687060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1163, 1780, 2314, 2326, 4628, 4652, 5785, 5815, 11570, 11630, 15119, 23140, 23260, 30238, 60476, 75595, 103507, 151190, 207014, 302380, 414028, 517535, 1035070, 1345591, 2070140, 2691182, 5382364, 6727955, 13455910, 26911820]

約数ペア:

[(1, 26911820), (2, 13455910), (4, 6727955), (5, 5382364), (10, 2691182), (13, 2070140), (20, 1345591), (26, 1035070), (52, 517535), (65, 414028), (89, 302380), (130, 207014), (178, 151190), (260, 103507), (356, 75595), (445, 60476), (890, 30238), (1157, 23260), (1163, 23140), (1780, 15119), (2314, 11630), (2326, 11570), (4628, 5815), (4652, 5785)]