20100762025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 27201455424

約数和(自身を除く): 7100693399

約数列:

[1, 5, 23, 25, 29, 115, 145, 197, 211, 575, 667, 725, 841, 985, 1055, 3335, 4205, 4531, 4853, 4925, 5275, 5713, 6119, 16675, 19343, 21025, 22655, 24265, 28565, 30595, 41567, 96715, 113275, 121325, 131399, 140737, 142825, 152975, 165677, 177451, 207835, 483575, 656995, 703685, 828385, 887255, 956041, 1039175, 1205443, 3284975, 3518425, 3810571, 4081373, 4141925, 4436275, 4780205, 6027215, 19052855, 20406865, 23901025, 27725189, 30136075, 34957847, 95264275, 102034325, 138625945, 174789235, 693129725, 804030481, 873946175, 4020152405, 20100762025]

約数ペア:

[(1, 20100762025), (5, 4020152405), (23, 873946175), (25, 804030481), (29, 693129725), (115, 174789235), (145, 138625945), (197, 102034325), (211, 95264275), (575, 34957847), (667, 30136075), (725, 27725189), (841, 23901025), (985, 20406865), (1055, 19052855), (3335, 6027215), (4205, 4780205), (4531, 4436275), (4853, 4141925), (4925, 4081373), (5275, 3810571), (5713, 3518425), (6119, 3284975), (16675, 1205443), (19343, 1039175), (21025, 956041), (22655, 887255), (24265, 828385), (28565, 703685), (30595, 656995), (41567, 483575), (96715, 207835), (113275, 177451), (121325, 165677), (131399, 152975), (140737, 142825)]