20039774560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{69313}}^1$

素因数の和:69480

約数の個数: 96

約数和(自身を含む): 51353356320

約数和(自身を除く): 31313581760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 139, 160, 208, 260, 278, 416, 520, 556, 695, 1040, 1112, 1390, 1807, 2080, 2224, 2780, 3614, 4448, 5560, 7228, 9035, 11120, 14456, 18070, 22240, 28912, 36140, 57824, 69313, 72280, 138626, 144560, 277252, 289120, 346565, 554504, 693130, 901069, 1109008, 1386260, 1802138, 2218016, 2772520, 3604276, 4505345, 5545040, 7208552, 9010690, 9634507, 11090080, 14417104, 18021380, 19269014, 28834208, 36042760, 38538028, 48172535, 72085520, 77076056, 96345070, 125248591, 144171040, 154152112, 192690140, 250497182, 308304224, 385380280, 500994364, 626242955, 770760560, 1001988728, 1252485910, 1541521120, 2003977456, 2504971820, 4007954912, 5009943640, 10019887280, 20039774560]

約数ペア:

[(1, 20039774560), (2, 10019887280), (4, 5009943640), (5, 4007954912), (8, 2504971820), (10, 2003977456), (13, 1541521120), (16, 1252485910), (20, 1001988728), (26, 770760560), (32, 626242955), (40, 500994364), (52, 385380280), (65, 308304224), (80, 250497182), (104, 192690140), (130, 154152112), (139, 144171040), (160, 125248591), (208, 96345070), (260, 77076056), (278, 72085520), (416, 48172535), (520, 38538028), (556, 36042760), (695, 28834208), (1040, 19269014), (1112, 18021380), (1390, 14417104), (1807, 11090080), (2080, 9634507), (2224, 9010690), (2780, 7208552), (3614, 5545040), (4448, 4505345), (5560, 3604276), (7228, 2772520), (9035, 2218016), (11120, 1802138), (14456, 1386260), (18070, 1109008), (22240, 901069), (28912, 693130), (36140, 554504), (57824, 346565), (69313, 289120), (72280, 277252), (138626, 144560)]