2019948433640

素因数分解:

$2^3\times 5^1\times {\mathrm{2411}}^1\times {\mathrm{2657}}^1\times {\mathrm{7883}}^1$

素因数の和:12962

約数の個数: 64

約数和(自身を含む): 4549057277760

約数和(自身を除く): 2529108844120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2411, 2657, 4822, 5314, 7883, 9644, 10628, 12055, 13285, 15766, 19288, 21256, 24110, 26570, 31532, 39415, 48220, 53140, 63064, 78830, 96440, 106280, 157660, 315320, 6406027, 12812054, 19005913, 20945131, 25624108, 32030135, 38011826, 41890262, 51248216, 64060270, 76023652, 83780524, 95029565, 104725655, 128120540, 152047304, 167561048, 190059130, 209451310, 256241080, 380118260, 418902620, 760236520, 837805240, 50498710841, 100997421682, 201994843364, 252493554205, 403989686728, 504987108410, 1009974216820, 2019948433640]

約数ペア:

[(1, 2019948433640), (2, 1009974216820), (4, 504987108410), (5, 403989686728), (8, 252493554205), (10, 201994843364), (20, 100997421682), (40, 50498710841), (2411, 837805240), (2657, 760236520), (4822, 418902620), (5314, 380118260), (7883, 256241080), (9644, 209451310), (10628, 190059130), (12055, 167561048), (13285, 152047304), (15766, 128120540), (19288, 104725655), (21256, 95029565), (24110, 83780524), (26570, 76023652), (31532, 64060270), (39415, 51248216), (48220, 41890262), (53140, 38011826), (63064, 32030135), (78830, 25624108), (96440, 20945131), (106280, 19005913), (157660, 12812054), (315320, 6406027)]