86824840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^3\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 204606000

約数和(自身を除く): 117781160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 178, 232, 290, 356, 445, 580, 712, 841, 890, 1160, 1682, 1780, 2581, 3364, 3560, 4205, 5162, 6728, 8410, 10324, 12905, 16820, 20648, 24389, 25810, 33640, 48778, 51620, 74849, 97556, 103240, 121945, 149698, 195112, 243890, 299396, 374245, 487780, 598792, 748490, 975560, 1496980, 2170621, 2993960, 4341242, 8682484, 10853105, 17364968, 21706210, 43412420, 86824840]

約数ペア:

[(1, 86824840), (2, 43412420), (4, 21706210), (5, 17364968), (8, 10853105), (10, 8682484), (20, 4341242), (29, 2993960), (40, 2170621), (58, 1496980), (89, 975560), (116, 748490), (145, 598792), (178, 487780), (232, 374245), (290, 299396), (356, 243890), (445, 195112), (580, 149698), (712, 121945), (841, 103240), (890, 97556), (1160, 74849), (1682, 51620), (1780, 48778), (2581, 33640), (3364, 25810), (3560, 24389), (4205, 20648), (5162, 16820), (6728, 12905), (8410, 10324)]