26456950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 55550016

約数和(自身を除く): 29093066

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 101, 130, 155, 169, 202, 310, 325, 338, 403, 505, 650, 775, 806, 845, 1010, 1313, 1550, 1690, 2015, 2525, 2626, 3131, 4030, 4225, 5050, 5239, 6262, 6565, 8450, 10075, 10478, 13130, 15655, 17069, 20150, 26195, 31310, 32825, 34138, 40703, 52390, 65650, 78275, 81406, 85345, 130975, 156550, 170690, 203515, 261950, 407030, 426725, 529139, 853450, 1017575, 1058278, 2035150, 2645695, 5291390, 13228475, 26456950]

約数ペア:

[(1, 26456950), (2, 13228475), (5, 5291390), (10, 2645695), (13, 2035150), (25, 1058278), (26, 1017575), (31, 853450), (50, 529139), (62, 426725), (65, 407030), (101, 261950), (130, 203515), (155, 170690), (169, 156550), (202, 130975), (310, 85345), (325, 81406), (338, 78275), (403, 65650), (505, 52390), (650, 40703), (775, 34138), (806, 32825), (845, 31310), (1010, 26195), (1313, 20150), (1550, 17069), (1690, 15655), (2015, 13130), (2525, 10478), (2626, 10075), (3131, 8450), (4030, 6565), (4225, 6262), (5050, 5239)]