66280240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1$

素因数の和:758

約数の個数: 80

約数和(自身を含む): 167864256

約数和(自身を除く): 101584016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 631, 808, 1010, 1040, 1262, 1313, 1616, 2020, 2524, 2626, 3155, 4040, 5048, 5252, 6310, 6565, 8080, 8203, 10096, 10504, 12620, 13130, 16406, 21008, 25240, 26260, 32812, 41015, 50480, 52520, 63731, 65624, 82030, 105040, 127462, 131248, 164060, 254924, 318655, 328120, 509848, 637310, 656240, 828503, 1019696, 1274620, 1657006, 2549240, 3314012, 4142515, 5098480, 6628024, 8285030, 13256048, 16570060, 33140120, 66280240]

約数ペア:

[(1, 66280240), (2, 33140120), (4, 16570060), (5, 13256048), (8, 8285030), (10, 6628024), (13, 5098480), (16, 4142515), (20, 3314012), (26, 2549240), (40, 1657006), (52, 1274620), (65, 1019696), (80, 828503), (101, 656240), (104, 637310), (130, 509848), (202, 328120), (208, 318655), (260, 254924), (404, 164060), (505, 131248), (520, 127462), (631, 105040), (808, 82030), (1010, 65624), (1040, 63731), (1262, 52520), (1313, 50480), (1616, 41015), (2020, 32812), (2524, 26260), (2626, 25240), (3155, 21008), (4040, 16406), (5048, 13130), (5252, 12620), (6310, 10504), (6565, 10096), (8080, 8203)]